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32 vulnerabilities found for net/http by Go standard library
CVE-2026-33814 (GCVE-0-2026-33814)
Vulnerability from nvd – Published: 2026-05-07 19:41 – Updated: 2026-07-08 12:05
VLAI
EPSS
VEX
Title
Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
Summary
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
15 references
| URL | Tags |
|---|---|
| https://go.dev/cl/761581 | |
| https://go.dev/cl/761640 | |
| https://go.dev/issue/78476 | |
| https://groups.google.com/g/golang-announce/c/qcC… | |
| https://pkg.go.dev/vuln/GO-2026-4918 | |
| https://access.redhat.com/security/cve/CVE-2026-33814 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2467815 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:34342 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23262 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23264 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33120 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33123 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33142 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33150 | vendor-advisoryx_refsource_REDHAT |
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.53.0
(semver)
|
|
| Go standard library | net/http |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
|
| Red Hat | Cluster Observability Operator 1.5.0 |
cpe:/a:redhat:cluster_observability_operator:1.5::el9 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.0 |
cpe:/a:redhat:service_mesh:3.0::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.1 |
cpe:/a:redhat:service_mesh:3.1::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.2 |
cpe:/a:redhat:service_mesh:3.2::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.3 |
cpe:/a:redhat:service_mesh:3.3::el9 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Red Hat OpenShift Virtualization 4 |
cpe:/a:redhat:container_native_virtualization:4 |
|
| Red Hat | OpenShift Service Mesh 2 |
cpe:/a:redhat:service_mesh:2 |
Credits
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},
{
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"value": "RHSA-2026:23262: Red Hat Hardened Images"
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{
"lang": "en",
"value": "RHSA-2026:33142: Red Hat OpenShift Service Mesh 3.2"
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"time": "2026-05-07T19:41:17.631Z",
"value": "Made public."
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"title": "net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame",
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"programRoutines": [
{
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{
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{
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{
"name": "Transport.RoundTripOpt"
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{
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},
{
"name": "Client.Get"
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{
"name": "Client.Head"
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{
"name": "Client.Post"
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{
"name": "Client.PostForm"
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{
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{
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{
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"name": "PostForm"
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{
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{
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{
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{
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CVE-2025-58186 (GCVE-0-2025-58186)
Vulnerability from nvd – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:13
VLAI
EPSS
VEX
Title
Lack of limit when parsing cookies can cause memory exhaustion in net/http
Summary
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
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CVE-2025-47910 (GCVE-0-2025-47910)
Vulnerability from nvd – Published: 2025-09-22 21:01 – Updated: 2025-09-24 13:29
VLAI
EPSS
VEX
Title
CrossOriginProtection insecure bypass patterns not limited to exact matches in net/http
Summary
When using http.CrossOriginProtection, the AddInsecureBypassPattern method can unexpectedly bypass more requests than intended. CrossOriginProtection then skips validation, but forwards the original request path, which may be served by a different handler without the intended security protections.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
1.25.0 , < 1.25.1
(semver)
|
{
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CVE-2025-4673 (GCVE-0-2025-4673)
Vulnerability from nvd – Published: 2025-06-11 16:42 – Updated: 2025-06-11 17:59
VLAI
EPSS
VEX
Title
Sensitive headers not cleared on cross-origin redirect in net/http
Summary
Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.23.10
(semver)
Affected: 1.24.0-0 , < 1.24.4 (semver) |
Credits
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"name": "Post"
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"name": "PostForm"
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"status": "affected",
"version": "1.24.0-0",
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"value": "Takeshi Kaneko (GMO Cybersecurity by Ierae, Inc.)"
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],
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CVE-2025-22870 (GCVE-0-2025-22870)
Vulnerability from nvd – Published: 2025-03-12 18:27 – Updated: 2026-04-16 22:39
VLAI
EPSS
VEX
Title
HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net
Summary
Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-115 Misinterpretation of Input
- CWE-115 - Misinterpretation of Input
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.23.7
(semver)
Affected: 1.24.0-0 , < 1.24.1 (semver) |
|
| golang.org/x/net | golang.org/x/net/http/httpproxy |
Affected:
0 , < 0.36.0
(semver)
|
|
| golang.org/x/net | golang.org/x/net/proxy |
Affected:
0 , < 0.36.0
(semver)
|
Credits
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"title": "CISA ADP Vulnrichment"
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"name": "envProxyFunc"
},
{
"name": "ProxyFromEnvironment"
}
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"defaultStatus": "unaffected",
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"product": "golang.org/x/net/proxy",
"programRoutines": [
{
"name": "PerHost.dialerForRequest"
},
{
"name": "PerHost.AddFromString"
},
{
"name": "Dial"
},
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},
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"name": "FromEnvironmentUsing"
},
{
"name": "PerHost.Dial"
},
{
"name": "PerHost.DialContext"
}
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},
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}
],
"title": "HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net"
}
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CVE-2024-45336 (GCVE-0-2024-45336)
Vulnerability from nvd – Published: 2025-01-28 01:03 – Updated: 2025-09-18 18:41
VLAI
EPSS
VEX
Title
Sensitive headers incorrectly sent after cross-domain redirect in net/http
Summary
The HTTP client drops sensitive headers after following a cross-domain redirect. For example, a request to a.com/ containing an Authorization header which is redirected to b.com/ will not send that header to b.com. In the event that the client received a subsequent same-domain redirect, however, the sensitive headers would be restored. For example, a chain of redirects from a.com/, to b.com/1, and finally to b.com/2 would incorrectly send the Authorization header to b.com/2.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.22.11
(semver)
Affected: 1.23.0-0 , < 1.23.5 (semver) Affected: 1.24.0-0 , < 1.24.0-rc.2 (semver) |
Credits
{
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"metrics": [
{
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
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"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"title": "CISA ADP Vulnrichment"
},
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"dateUpdated": "2025-02-21T18:03:31.299Z",
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{
"url": "https://security.netapp.com/advisory/ntap-20250221-0003/"
}
],
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}
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{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "net/http",
"product": "net/http",
"programRoutines": [
{
"name": "Client.do"
},
{
"name": "Client.makeHeadersCopier"
},
{
"name": "shouldCopyHeaderOnRedirect"
},
{
"name": "Client.Do"
},
{
"name": "Client.Get"
},
{
"name": "Client.Head"
},
{
"name": "Client.Post"
},
{
"name": "Client.PostForm"
},
{
"name": "Get"
},
{
"name": "Head"
},
{
"name": "Post"
},
{
"name": "PostForm"
}
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"versionType": "semver"
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"lang": "en",
"value": "Kyle Seely"
}
],
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{
"lang": "en",
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}
],
"problemTypes": [
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"descriptions": [
{
"description": "CWE-201: Insertion of Sensitive Information Into Sent Data",
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}
]
}
],
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"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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},
"references": [
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"url": "https://go.dev/cl/643100"
},
{
"url": "https://go.dev/issue/70530"
},
{
"url": "https://groups.google.com/g/golang-dev/c/CAWXhan3Jww/m/bk9LAa-lCgAJ"
},
{
"url": "https://groups.google.com/g/golang-dev/c/bG8cv1muIBM/m/G461hA6lCgAJ"
},
{
"url": "https://pkg.go.dev/vuln/GO-2025-3420"
}
],
"title": "Sensitive headers incorrectly sent after cross-domain redirect in net/http"
}
},
"cveMetadata": {
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"assignerShortName": "Go",
"cveId": "CVE-2024-45336",
"datePublished": "2025-01-28T01:03:24.869Z",
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CVE-2024-24791 (GCVE-0-2024-24791)
Vulnerability from nvd – Published: 2024-07-02 21:28 – Updated: 2024-10-04 15:02
VLAI
EPSS
VEX
Title
Denial of service due to improper 100-continue handling in net/http
Summary
The net/http HTTP/1.1 client mishandled the case where a server responds to a request with an "Expect: 100-continue" header with a non-informational (200 or higher) status. This mishandling could leave a client connection in an invalid state, where the next request sent on the connection will fail. An attacker sending a request to a net/http/httputil.ReverseProxy proxy can exploit this mishandling to cause a denial of service by sending "Expect: 100-continue" requests which elicit a non-informational response from the backend. Each such request leaves the proxy with an invalid connection, and causes one subsequent request using that connection to fail.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE 400: Uncontrolled Resource Consumption
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.21.12
(semver)
Affected: 1.22.0-0 , < 1.22.5 (semver) |
|
| go_standard_library | net\/http |
Affected:
0 , < 1.21.12
(custom)
Affected: 1.22.0-0 , < 1.22.5 (custom) cpe:2.3:a:go_standard_library:net\/http:1.21.12:*:*:*:*:*:*:* |
Credits
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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"url": "https://pkg.go.dev/vuln/GO-2024-2963"
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{
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}
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"packageName": "net/http",
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{
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{
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{
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{
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{
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"name": "Head"
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{
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{
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{
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"credits": [
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"lang": "en",
"value": "Geoff Franks"
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],
"descriptions": [
{
"lang": "en",
"value": "The net/http HTTP/1.1 client mishandled the case where a server responds to a request with an \"Expect: 100-continue\" header with a non-informational (200 or higher) status. This mishandling could leave a client connection in an invalid state, where the next request sent on the connection will fail. An attacker sending a request to a net/http/httputil.ReverseProxy proxy can exploit this mishandling to cause a denial of service by sending \"Expect: 100-continue\" requests which elicit a non-informational response from the backend. Each such request leaves the proxy with an invalid connection, and causes one subsequent request using that connection to fail."
}
],
"problemTypes": [
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"descriptions": [
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"lang": "en"
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"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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},
{
"url": "https://pkg.go.dev/vuln/GO-2024-2963"
}
],
"title": "Denial of service due to improper 100-continue handling in net/http"
}
},
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"datePublished": "2024-07-02T21:28:25.677Z",
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CVE-2023-45288 (GCVE-0-2023-45288)
Vulnerability from nvd – Published: 2024-04-04 20:37 – Updated: 2025-11-04 18:17
VLAI
EPSS
VEX
Title
HTTP/2 CONTINUATION flood in net/http
Summary
An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed. This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send. The fix sets a limit on the amount of excess header frames we will process before closing a connection.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
9 references
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.21.9
(semver)
Affected: 1.22.0-0 , < 1.22.2 (semver) |
|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.23.0
(semver)
|
|
| go_standard_library | net\/http |
Affected:
0 , < 1.21.9
(custom)
Affected: 1.22.0-0 , < 1.22.2 (custom) cpe:2.3:a:go_standard_library:net\/http:*:*:*:*:*:*:*:* |
|
| golang | http2 |
Affected:
0 , < 0.23.0
(custom)
cpe:2.3:a:golang:http2:*:*:*:*:*:*:*:* |
Credits
{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QRYFHIQ6XRKRYBI2F5UESH67BJBQXUPT/"
},
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}
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},
"title": "CISA ADP Vulnrichment"
}
],
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"defaultStatus": "unaffected",
"packageName": "net/http",
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"programRoutines": [
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"name": "http2Framer.readMetaFrame"
},
{
"name": "CanonicalHeaderKey"
},
{
"name": "Client.CloseIdleConnections"
},
{
"name": "Client.Do"
},
{
"name": "Client.Get"
},
{
"name": "Client.Head"
},
{
"name": "Client.Post"
},
{
"name": "Client.PostForm"
},
{
"name": "Cookie.String"
},
{
"name": "Cookie.Valid"
},
{
"name": "Dir.Open"
},
{
"name": "Error"
},
{
"name": "Get"
},
{
"name": "HandlerFunc.ServeHTTP"
},
{
"name": "Head"
},
{
"name": "Header.Add"
},
{
"name": "Header.Del"
},
{
"name": "Header.Get"
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{
"name": "Header.Set"
},
{
"name": "Header.Values"
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{
"name": "Header.Write"
},
{
"name": "Header.WriteSubset"
},
{
"name": "ListenAndServe"
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{
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{
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{
"name": "NewRequestWithContext"
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{
"name": "NotFound"
},
{
"name": "ParseTime"
},
{
"name": "Post"
},
{
"name": "PostForm"
},
{
"name": "ProxyFromEnvironment"
},
{
"name": "ReadRequest"
},
{
"name": "ReadResponse"
},
{
"name": "Redirect"
},
{
"name": "Request.AddCookie"
},
{
"name": "Request.BasicAuth"
},
{
"name": "Request.FormFile"
},
{
"name": "Request.FormValue"
},
{
"name": "Request.MultipartReader"
},
{
"name": "Request.ParseForm"
},
{
"name": "Request.ParseMultipartForm"
},
{
"name": "Request.PostFormValue"
},
{
"name": "Request.Referer"
},
{
"name": "Request.SetBasicAuth"
},
{
"name": "Request.UserAgent"
},
{
"name": "Request.Write"
},
{
"name": "Request.WriteProxy"
},
{
"name": "Response.Cookies"
},
{
"name": "Response.Location"
},
{
"name": "Response.Write"
},
{
"name": "ResponseController.EnableFullDuplex"
},
{
"name": "ResponseController.Flush"
},
{
"name": "ResponseController.Hijack"
},
{
"name": "ResponseController.SetReadDeadline"
},
{
"name": "ResponseController.SetWriteDeadline"
},
{
"name": "Serve"
},
{
"name": "ServeContent"
},
{
"name": "ServeFile"
},
{
"name": "ServeMux.ServeHTTP"
},
{
"name": "ServeTLS"
},
{
"name": "Server.Close"
},
{
"name": "Server.ListenAndServe"
},
{
"name": "Server.ListenAndServeTLS"
},
{
"name": "Server.Serve"
},
{
"name": "Server.ServeTLS"
},
{
"name": "Server.SetKeepAlivesEnabled"
},
{
"name": "Server.Shutdown"
},
{
"name": "SetCookie"
},
{
"name": "Transport.CancelRequest"
},
{
"name": "Transport.Clone"
},
{
"name": "Transport.CloseIdleConnections"
},
{
"name": "Transport.RoundTrip"
},
{
"name": "body.Close"
},
{
"name": "body.Read"
},
{
"name": "bodyEOFSignal.Close"
},
{
"name": "bodyEOFSignal.Read"
},
{
"name": "bodyLocked.Read"
},
{
"name": "bufioFlushWriter.Write"
},
{
"name": "cancelTimerBody.Close"
},
{
"name": "cancelTimerBody.Read"
},
{
"name": "checkConnErrorWriter.Write"
},
{
"name": "chunkWriter.Write"
},
{
"name": "connReader.Read"
},
{
"name": "connectMethodKey.String"
},
{
"name": "expectContinueReader.Close"
},
{
"name": "expectContinueReader.Read"
},
{
"name": "extraHeader.Write"
},
{
"name": "fileHandler.ServeHTTP"
},
{
"name": "fileTransport.RoundTrip"
},
{
"name": "globalOptionsHandler.ServeHTTP"
},
{
"name": "gzipReader.Close"
},
{
"name": "gzipReader.Read"
},
{
"name": "http2ClientConn.Close"
},
{
"name": "http2ClientConn.Ping"
},
{
"name": "http2ClientConn.RoundTrip"
},
{
"name": "http2ClientConn.Shutdown"
},
{
"name": "http2ConnectionError.Error"
},
{
"name": "http2ErrCode.String"
},
{
"name": "http2FrameHeader.String"
},
{
"name": "http2FrameType.String"
},
{
"name": "http2FrameWriteRequest.String"
},
{
"name": "http2Framer.ReadFrame"
},
{
"name": "http2Framer.WriteContinuation"
},
{
"name": "http2Framer.WriteData"
},
{
"name": "http2Framer.WriteDataPadded"
},
{
"name": "http2Framer.WriteGoAway"
},
{
"name": "http2Framer.WriteHeaders"
},
{
"name": "http2Framer.WritePing"
},
{
"name": "http2Framer.WritePriority"
},
{
"name": "http2Framer.WritePushPromise"
},
{
"name": "http2Framer.WriteRSTStream"
},
{
"name": "http2Framer.WriteRawFrame"
},
{
"name": "http2Framer.WriteSettings"
},
{
"name": "http2Framer.WriteSettingsAck"
},
{
"name": "http2Framer.WriteWindowUpdate"
},
{
"name": "http2GoAwayError.Error"
},
{
"name": "http2Server.ServeConn"
},
{
"name": "http2Setting.String"
},
{
"name": "http2SettingID.String"
},
{
"name": "http2SettingsFrame.ForeachSetting"
},
{
"name": "http2StreamError.Error"
},
{
"name": "http2Transport.CloseIdleConnections"
},
{
"name": "http2Transport.NewClientConn"
},
{
"name": "http2Transport.RoundTrip"
},
{
"name": "http2Transport.RoundTripOpt"
},
{
"name": "http2bufferedWriter.Flush"
},
{
"name": "http2bufferedWriter.Write"
},
{
"name": "http2chunkWriter.Write"
},
{
"name": "http2clientConnPool.GetClientConn"
},
{
"name": "http2connError.Error"
},
{
"name": "http2dataBuffer.Read"
},
{
"name": "http2duplicatePseudoHeaderError.Error"
},
{
"name": "http2gzipReader.Close"
},
{
"name": "http2gzipReader.Read"
},
{
"name": "http2headerFieldNameError.Error"
},
{
"name": "http2headerFieldValueError.Error"
},
{
"name": "http2noDialClientConnPool.GetClientConn"
},
{
"name": "http2noDialH2RoundTripper.RoundTrip"
},
{
"name": "http2pipe.Read"
},
{
"name": "http2priorityWriteScheduler.CloseStream"
},
{
"name": "http2priorityWriteScheduler.OpenStream"
},
{
"name": "http2pseudoHeaderError.Error"
},
{
"name": "http2requestBody.Close"
},
{
"name": "http2requestBody.Read"
},
{
"name": "http2responseWriter.Flush"
},
{
"name": "http2responseWriter.FlushError"
},
{
"name": "http2responseWriter.Push"
},
{
"name": "http2responseWriter.SetReadDeadline"
},
{
"name": "http2responseWriter.SetWriteDeadline"
},
{
"name": "http2responseWriter.Write"
},
{
"name": "http2responseWriter.WriteHeader"
},
{
"name": "http2responseWriter.WriteString"
},
{
"name": "http2roundRobinWriteScheduler.OpenStream"
},
{
"name": "http2serverConn.CloseConn"
},
{
"name": "http2serverConn.Flush"
},
{
"name": "http2stickyErrWriter.Write"
},
{
"name": "http2transportResponseBody.Close"
},
{
"name": "http2transportResponseBody.Read"
},
{
"name": "http2writeData.String"
},
{
"name": "initALPNRequest.ServeHTTP"
},
{
"name": "loggingConn.Close"
},
{
"name": "loggingConn.Read"
},
{
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{
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{
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{
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{
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{
"name": "persistConnWriter.ReadFrom"
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{
"name": "persistConnWriter.Write"
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{
"name": "populateResponse.Write"
},
{
"name": "populateResponse.WriteHeader"
},
{
"name": "readTrackingBody.Close"
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{
"name": "readTrackingBody.Read"
},
{
"name": "readWriteCloserBody.Read"
},
{
"name": "redirectHandler.ServeHTTP"
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{
"name": "response.Flush"
},
{
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{
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{
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{
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{
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{
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{
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{
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},
{
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},
{
"name": "stringWriter.WriteString"
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{
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},
{
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{
"name": "timeoutWriter.WriteHeader"
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{
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}
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{
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"version": "1.22.0-0",
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}
]
},
{
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"defaultStatus": "unaffected",
"packageName": "golang.org/x/net/http2",
"product": "golang.org/x/net/http2",
"programRoutines": [
{
"name": "Framer.readMetaFrame"
},
{
"name": "ClientConn.Close"
},
{
"name": "ClientConn.Ping"
},
{
"name": "ClientConn.RoundTrip"
},
{
"name": "ClientConn.Shutdown"
},
{
"name": "ConfigureServer"
},
{
"name": "ConfigureTransport"
},
{
"name": "ConfigureTransports"
},
{
"name": "ConnectionError.Error"
},
{
"name": "ErrCode.String"
},
{
"name": "FrameHeader.String"
},
{
"name": "FrameType.String"
},
{
"name": "FrameWriteRequest.String"
},
{
"name": "Framer.ReadFrame"
},
{
"name": "Framer.WriteContinuation"
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CVE-2023-45289 (GCVE-0-2023-45289)
Vulnerability from nvd – Published: 2024-03-05 22:22 – Updated: 2025-02-13 17:14
VLAI
EPSS
VEX
Title
Incorrect forwarding of sensitive headers and cookies on HTTP redirect in net/http
Summary
When following an HTTP redirect to a domain which is not a subdomain match or exact match of the initial domain, an http.Client does not forward sensitive headers such as "Authorization" or "Cookie". For example, a redirect from foo.com to www.foo.com will forward the Authorization header, but a redirect to bar.com will not. A maliciously crafted HTTP redirect could cause sensitive headers to be unexpectedly forwarded.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.21.8
(semver)
Affected: 1.22.0-0 , < 1.22.1 (semver) |
|
| Go standard library | net/http/cookiejar |
Affected:
0 , < 1.21.8
(semver)
Affected: 1.22.0-0 , < 1.22.1 (semver) |
Credits
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CVE-2023-39325 (GCVE-0-2023-39325)
Vulnerability from nvd – Published: 2023-10-11 21:15 – Updated: 2025-02-13 17:02
VLAI
EPSS
VEX
Title
HTTP/2 rapid reset can cause excessive work in net/http
Summary
A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a new request while the existing one is still executing. With the fix applied, HTTP/2 servers now bound the number of simultaneously executing handler goroutines to the stream concurrency limit (MaxConcurrentStreams). New requests arriving when at the limit (which can only happen after the client has reset an existing, in-flight request) will be queued until a handler exits. If the request queue grows too large, the server will terminate the connection. This issue is also fixed in golang.org/x/net/http2 for users manually configuring HTTP/2. The default stream concurrency limit is 250 streams (requests) per HTTP/2 connection. This value may be adjusted using the golang.org/x/net/http2 package; see the Server.MaxConcurrentStreams setting and the ConfigureServer function.
Severity
No CVSS data available.
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
43 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.20.10
(semver)
Affected: 1.21.0-0 , < 1.21.3 (semver) |
|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.17.0
(semver)
|
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"title": "HTTP/2 rapid reset can cause excessive work in net/http"
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CVE-2023-29406 (GCVE-0-2023-29406)
Vulnerability from nvd – Published: 2023-07-11 19:23 – Updated: 2025-02-13 16:49
VLAI
EPSS
VEX
Title
Insufficient sanitization of Host header in net/http
Summary
The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.19.11
(semver)
Affected: 1.20.0-0 , < 1.20.6 (semver) |
Credits
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CVE-2022-41723 (GCVE-0-2022-41723)
Vulnerability from nvd – Published: 2023-02-28 17:19 – Updated: 2025-05-05 16:12
VLAI
EPSS
VEX
Title
Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net
Summary
A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE 400: Uncontrolled Resource Consumption
- NVD-CWE-Other
Assigner
References
15 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.19.6
(semver)
Affected: 1.20.0-0 , < 1.20.1 (semver) |
|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.7.0
(semver)
|
|
| golang.org/x/net | golang.org/x/net/http2/hpack |
Affected:
0 , < 0.7.0
(semver)
|
Credits
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CVE-2022-41717 (GCVE-0-2022-41717)
Vulnerability from nvd – Published: 2022-12-08 19:03 – Updated: 2025-02-13 16:33
VLAI
EPSS
VEX
Title
Excessive memory growth in net/http and golang.org/x/net/http2
Summary
An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.
Severity
No CVSS data available.
CWE
- CWE 400: Uncontrolled Resource Consumption
Assigner
References
24 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.18.9
(semver)
Affected: 1.19.0-0 , < 1.19.4 (semver) |
|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.4.0
(semver)
|
Credits
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CVE-2022-41720 (GCVE-0-2022-41720)
Vulnerability from nvd – Published: 2022-12-07 16:11 – Updated: 2025-04-23 15:43
VLAI
EPSS
VEX
Title
Restricted file access on Windows in os and net/http
Summary
On Windows, restricted files can be accessed via os.DirFS and http.Dir. The os.DirFS function and http.Dir type provide access to a tree of files rooted at a given directory. These functions permit access to Windows device files under that root. For example, os.DirFS("C:/tmp").Open("COM1") opens the COM1 device. Both os.DirFS and http.Dir only provide read-only filesystem access. In addition, on Windows, an os.DirFS for the directory (the root of the current drive) can permit a maliciously crafted path to escape from the drive and access any path on the system. With fix applied, the behavior of os.DirFS("") has changed. Previously, an empty root was treated equivalently to "/", so os.DirFS("").Open("tmp") would open the path "/tmp". This now returns an error.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE 22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | os |
Affected:
0 , < 1.18.9
(semver)
Affected: 1.19.0-0 , < 1.19.4 (semver) |
|
| Go standard library | net/http |
Affected:
0 , < 1.18.9
(semver)
Affected: 1.19.0-0 , < 1.19.4 (semver) |
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CVE-2022-32148 (GCVE-0-2022-32148)
Vulnerability from nvd – Published: 2022-08-09 20:18 – Updated: 2026-03-06 19:06
VLAI
EPSS
VEX
Title
Exposure of client IP addresses in net/http
Summary
Improper exposure of client IP addresses in net/http before Go 1.17.12 and Go 1.18.4 can be triggered by calling httputil.ReverseProxy.ServeHTTP with a Request.Header map containing a nil value for the X-Forwarded-For header, which causes ReverseProxy to set the client IP as the value of the X-Forwarded-For header.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Information Exposure
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.17.12
(semver)
Affected: 1.18.0-0 , < 1.18.4 (semver) |
Credits
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CVE-2022-1705 (GCVE-0-2022-1705)
Vulnerability from nvd – Published: 2022-08-09 20:16 – Updated: 2026-03-06 17:46
VLAI
EPSS
VEX
Title
Improper sanitization of Transfer-Encoding headers in net/http
Summary
Acceptance of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http before Go 1.17.12 and Go 1.18.4 allows HTTP request smuggling if combined with an intermediate server that also improperly fails to reject the header as invalid.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.17.12
(semver)
Affected: 1.18.0-0 , < 1.18.4 (semver) |
Credits
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CVE-2026-33814 (GCVE-0-2026-33814)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-07-08 12:05
VLAI
EPSS
VEX
Title
Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
Summary
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
15 references
| URL | Tags |
|---|---|
| https://go.dev/cl/761581 | |
| https://go.dev/cl/761640 | |
| https://go.dev/issue/78476 | |
| https://groups.google.com/g/golang-announce/c/qcC… | |
| https://pkg.go.dev/vuln/GO-2026-4918 | |
| https://access.redhat.com/security/cve/CVE-2026-33814 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2467815 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:34342 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23262 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23264 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33120 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33123 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33142 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33150 | vendor-advisoryx_refsource_REDHAT |
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.53.0
(semver)
|
|
| Go standard library | net/http |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
|
| Red Hat | Cluster Observability Operator 1.5.0 |
cpe:/a:redhat:cluster_observability_operator:1.5::el9 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.0 |
cpe:/a:redhat:service_mesh:3.0::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.1 |
cpe:/a:redhat:service_mesh:3.1::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.2 |
cpe:/a:redhat:service_mesh:3.2::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.3 |
cpe:/a:redhat:service_mesh:3.3::el9 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Red Hat OpenShift Virtualization 4 |
cpe:/a:redhat:container_native_virtualization:4 |
|
| Red Hat | OpenShift Service Mesh 2 |
cpe:/a:redhat:service_mesh:2 |
Credits
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CVE-2025-58186 (GCVE-0-2025-58186)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:13
VLAI
EPSS
VEX
Title
Lack of limit when parsing cookies can cause memory exhaustion in net/http
Summary
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
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CVE-2025-47910 (GCVE-0-2025-47910)
Vulnerability from cvelistv5 – Published: 2025-09-22 21:01 – Updated: 2025-09-24 13:29
VLAI
EPSS
VEX
Title
CrossOriginProtection insecure bypass patterns not limited to exact matches in net/http
Summary
When using http.CrossOriginProtection, the AddInsecureBypassPattern method can unexpectedly bypass more requests than intended. CrossOriginProtection then skips validation, but forwards the original request path, which may be served by a different handler without the intended security protections.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
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(semver)
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"datePublished": "2025-09-22T21:01:55.440Z",
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CVE-2025-4673 (GCVE-0-2025-4673)
Vulnerability from cvelistv5 – Published: 2025-06-11 16:42 – Updated: 2025-06-11 17:59
VLAI
EPSS
VEX
Title
Sensitive headers not cleared on cross-origin redirect in net/http
Summary
Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.23.10
(semver)
Affected: 1.24.0-0 , < 1.24.4 (semver) |
Credits
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CVE-2025-22870 (GCVE-0-2025-22870)
Vulnerability from cvelistv5 – Published: 2025-03-12 18:27 – Updated: 2026-04-16 22:39
VLAI
EPSS
VEX
Title
HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net
Summary
Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-115 Misinterpretation of Input
- CWE-115 - Misinterpretation of Input
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.23.7
(semver)
Affected: 1.24.0-0 , < 1.24.1 (semver) |
|
| golang.org/x/net | golang.org/x/net/http/httpproxy |
Affected:
0 , < 0.36.0
(semver)
|
|
| golang.org/x/net | golang.org/x/net/proxy |
Affected:
0 , < 0.36.0
(semver)
|
Credits
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"title": "CISA ADP Vulnrichment"
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{
"name": "envProxyFunc"
},
{
"name": "ProxyFromEnvironment"
}
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{
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},
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}
],
"title": "HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net"
}
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CVE-2024-45336 (GCVE-0-2024-45336)
Vulnerability from cvelistv5 – Published: 2025-01-28 01:03 – Updated: 2025-09-18 18:41
VLAI
EPSS
VEX
Title
Sensitive headers incorrectly sent after cross-domain redirect in net/http
Summary
The HTTP client drops sensitive headers after following a cross-domain redirect. For example, a request to a.com/ containing an Authorization header which is redirected to b.com/ will not send that header to b.com. In the event that the client received a subsequent same-domain redirect, however, the sensitive headers would be restored. For example, a chain of redirects from a.com/, to b.com/1, and finally to b.com/2 would incorrectly send the Authorization header to b.com/2.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.22.11
(semver)
Affected: 1.23.0-0 , < 1.23.5 (semver) Affected: 1.24.0-0 , < 1.24.0-rc.2 (semver) |
Credits
{
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"attackVector": "NETWORK",
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"integrityImpact": "LOW",
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{
"url": "https://security.netapp.com/advisory/ntap-20250221-0003/"
}
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"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "net/http",
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"name": "Client.do"
},
{
"name": "Client.makeHeadersCopier"
},
{
"name": "shouldCopyHeaderOnRedirect"
},
{
"name": "Client.Do"
},
{
"name": "Client.Get"
},
{
"name": "Client.Head"
},
{
"name": "Client.Post"
},
{
"name": "Client.PostForm"
},
{
"name": "Get"
},
{
"name": "Head"
},
{
"name": "Post"
},
{
"name": "PostForm"
}
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"url": "https://go.dev/issue/70530"
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},
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"url": "https://groups.google.com/g/golang-dev/c/bG8cv1muIBM/m/G461hA6lCgAJ"
},
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"url": "https://pkg.go.dev/vuln/GO-2025-3420"
}
],
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}
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CVE-2024-24791 (GCVE-0-2024-24791)
Vulnerability from cvelistv5 – Published: 2024-07-02 21:28 – Updated: 2024-10-04 15:02
VLAI
EPSS
VEX
Title
Denial of service due to improper 100-continue handling in net/http
Summary
The net/http HTTP/1.1 client mishandled the case where a server responds to a request with an "Expect: 100-continue" header with a non-informational (200 or higher) status. This mishandling could leave a client connection in an invalid state, where the next request sent on the connection will fail. An attacker sending a request to a net/http/httputil.ReverseProxy proxy can exploit this mishandling to cause a denial of service by sending "Expect: 100-continue" requests which elicit a non-informational response from the backend. Each such request leaves the proxy with an invalid connection, and causes one subsequent request using that connection to fail.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE 400: Uncontrolled Resource Consumption
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.21.12
(semver)
Affected: 1.22.0-0 , < 1.22.5 (semver) |
|
| go_standard_library | net\/http |
Affected:
0 , < 1.21.12
(custom)
Affected: 1.22.0-0 , < 1.22.5 (custom) cpe:2.3:a:go_standard_library:net\/http:1.21.12:*:*:*:*:*:*:* |
Credits
{
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{
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{
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
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},
"references": [
{
"tags": [
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],
"url": "https://go.dev/cl/591255"
},
{
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"x_transferred"
],
"url": "https://go.dev/issue/67555"
},
{
"tags": [
"x_transferred"
],
"url": "https://groups.google.com/g/golang-dev/c/t0rK-qHBqzY/m/6MMoAZkMAgAJ"
},
{
"tags": [
"x_transferred"
],
"url": "https://pkg.go.dev/vuln/GO-2024-2963"
},
{
"url": "https://security.netapp.com/advisory/ntap-20241004-0004/"
}
],
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],
"cna": {
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"defaultStatus": "unaffected",
"packageName": "net/http",
"product": "net/http",
"programRoutines": [
{
"name": "persistConn.readResponse"
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{
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{
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{
"name": "Client.Get"
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{
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{
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{
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{
"name": "Post"
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{
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{
"name": "Transport.CancelRequest"
},
{
"name": "Transport.CloseIdleConnections"
},
{
"name": "Transport.RoundTrip"
}
],
"vendor": "Go standard library",
"versions": [
{
"lessThan": "1.21.12",
"status": "affected",
"version": "0",
"versionType": "semver"
},
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"version": "1.22.0-0",
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],
"credits": [
{
"lang": "en",
"value": "Geoff Franks"
}
],
"descriptions": [
{
"lang": "en",
"value": "The net/http HTTP/1.1 client mishandled the case where a server responds to a request with an \"Expect: 100-continue\" header with a non-informational (200 or higher) status. This mishandling could leave a client connection in an invalid state, where the next request sent on the connection will fail. An attacker sending a request to a net/http/httputil.ReverseProxy proxy can exploit this mishandling to cause a denial of service by sending \"Expect: 100-continue\" requests which elicit a non-informational response from the backend. Each such request leaves the proxy with an invalid connection, and causes one subsequent request using that connection to fail."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE 400: Uncontrolled Resource Consumption",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-07-02T21:28:25.677Z",
"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
"shortName": "Go"
},
"references": [
{
"url": "https://go.dev/cl/591255"
},
{
"url": "https://go.dev/issue/67555"
},
{
"url": "https://groups.google.com/g/golang-dev/c/t0rK-qHBqzY/m/6MMoAZkMAgAJ"
},
{
"url": "https://pkg.go.dev/vuln/GO-2024-2963"
}
],
"title": "Denial of service due to improper 100-continue handling in net/http"
}
},
"cveMetadata": {
"assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
"assignerShortName": "Go",
"cveId": "CVE-2024-24791",
"datePublished": "2024-07-02T21:28:25.677Z",
"dateReserved": "2024-01-30T16:05:14.758Z",
"dateUpdated": "2024-10-04T15:02:46.565Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2023-45288 (GCVE-0-2023-45288)
Vulnerability from cvelistv5 – Published: 2024-04-04 20:37 – Updated: 2025-11-04 18:17
VLAI
EPSS
VEX
Title
HTTP/2 CONTINUATION flood in net/http
Summary
An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed. This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send. The fix sets a limit on the amount of excess header frames we will process before closing a connection.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
9 references
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.21.9
(semver)
Affected: 1.22.0-0 , < 1.22.2 (semver) |
|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.23.0
(semver)
|
|
| go_standard_library | net\/http |
Affected:
0 , < 1.21.9
(custom)
Affected: 1.22.0-0 , < 1.22.2 (custom) cpe:2.3:a:go_standard_library:net\/http:*:*:*:*:*:*:*:* |
|
| golang | http2 |
Affected:
0 , < 0.23.0
(custom)
cpe:2.3:a:golang:http2:*:*:*:*:*:*:*:* |
Credits
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"confidentialityImpact": "NONE",
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"packageName": "net/http",
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"name": "http2Framer.readMetaFrame"
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{
"name": "CanonicalHeaderKey"
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{
"name": "Client.CloseIdleConnections"
},
{
"name": "Client.Do"
},
{
"name": "Client.Get"
},
{
"name": "Client.Head"
},
{
"name": "Client.Post"
},
{
"name": "Client.PostForm"
},
{
"name": "Cookie.String"
},
{
"name": "Cookie.Valid"
},
{
"name": "Dir.Open"
},
{
"name": "Error"
},
{
"name": "Get"
},
{
"name": "HandlerFunc.ServeHTTP"
},
{
"name": "Head"
},
{
"name": "Header.Add"
},
{
"name": "Header.Del"
},
{
"name": "Header.Get"
},
{
"name": "Header.Set"
},
{
"name": "Header.Values"
},
{
"name": "Header.Write"
},
{
"name": "Header.WriteSubset"
},
{
"name": "ListenAndServe"
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{
"name": "ListenAndServeTLS"
},
{
"name": "NewRequest"
},
{
"name": "NewRequestWithContext"
},
{
"name": "NotFound"
},
{
"name": "ParseTime"
},
{
"name": "Post"
},
{
"name": "PostForm"
},
{
"name": "ProxyFromEnvironment"
},
{
"name": "ReadRequest"
},
{
"name": "ReadResponse"
},
{
"name": "Redirect"
},
{
"name": "Request.AddCookie"
},
{
"name": "Request.BasicAuth"
},
{
"name": "Request.FormFile"
},
{
"name": "Request.FormValue"
},
{
"name": "Request.MultipartReader"
},
{
"name": "Request.ParseForm"
},
{
"name": "Request.ParseMultipartForm"
},
{
"name": "Request.PostFormValue"
},
{
"name": "Request.Referer"
},
{
"name": "Request.SetBasicAuth"
},
{
"name": "Request.UserAgent"
},
{
"name": "Request.Write"
},
{
"name": "Request.WriteProxy"
},
{
"name": "Response.Cookies"
},
{
"name": "Response.Location"
},
{
"name": "Response.Write"
},
{
"name": "ResponseController.EnableFullDuplex"
},
{
"name": "ResponseController.Flush"
},
{
"name": "ResponseController.Hijack"
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{
"name": "ResponseController.SetReadDeadline"
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{
"name": "ResponseController.SetWriteDeadline"
},
{
"name": "Serve"
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{
"name": "ServeContent"
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{
"name": "ServeFile"
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{
"name": "ServeMux.ServeHTTP"
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{
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},
{
"name": "Server.Close"
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{
"name": "Server.ListenAndServe"
},
{
"name": "Server.ListenAndServeTLS"
},
{
"name": "Server.Serve"
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{
"name": "Server.ServeTLS"
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{
"name": "Server.SetKeepAlivesEnabled"
},
{
"name": "Server.Shutdown"
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{
"name": "SetCookie"
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{
"name": "Transport.CancelRequest"
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{
"name": "Transport.Clone"
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{
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{
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"name": "body.Read"
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{
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{
"name": "bodyEOFSignal.Read"
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{
"name": "bodyLocked.Read"
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{
"name": "bufioFlushWriter.Write"
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{
"name": "cancelTimerBody.Close"
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"name": "cancelTimerBody.Read"
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"name": "checkConnErrorWriter.Write"
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"name": "connectMethodKey.String"
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"name": "expectContinueReader.Read"
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"name": "extraHeader.Write"
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{
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"name": "globalOptionsHandler.ServeHTTP"
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"name": "gzipReader.Close"
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"name": "gzipReader.Read"
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"name": "http2ClientConn.Close"
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{
"name": "http2ClientConn.Ping"
},
{
"name": "http2ClientConn.RoundTrip"
},
{
"name": "http2ClientConn.Shutdown"
},
{
"name": "http2ConnectionError.Error"
},
{
"name": "http2ErrCode.String"
},
{
"name": "http2FrameHeader.String"
},
{
"name": "http2FrameType.String"
},
{
"name": "http2FrameWriteRequest.String"
},
{
"name": "http2Framer.ReadFrame"
},
{
"name": "http2Framer.WriteContinuation"
},
{
"name": "http2Framer.WriteData"
},
{
"name": "http2Framer.WriteDataPadded"
},
{
"name": "http2Framer.WriteGoAway"
},
{
"name": "http2Framer.WriteHeaders"
},
{
"name": "http2Framer.WritePing"
},
{
"name": "http2Framer.WritePriority"
},
{
"name": "http2Framer.WritePushPromise"
},
{
"name": "http2Framer.WriteRSTStream"
},
{
"name": "http2Framer.WriteRawFrame"
},
{
"name": "http2Framer.WriteSettings"
},
{
"name": "http2Framer.WriteSettingsAck"
},
{
"name": "http2Framer.WriteWindowUpdate"
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{
"name": "http2GoAwayError.Error"
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{
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{
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{
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{
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{
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{
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{
"name": "http2gzipReader.Close"
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{
"name": "http2gzipReader.Read"
},
{
"name": "http2headerFieldNameError.Error"
},
{
"name": "http2headerFieldValueError.Error"
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{
"name": "http2noDialClientConnPool.GetClientConn"
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{
"name": "http2noDialH2RoundTripper.RoundTrip"
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{
"name": "http2priorityWriteScheduler.CloseStream"
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"name": "redirectHandler.ServeHTTP"
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{
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{
"name": "response.FlushError"
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{
"name": "response.Hijack"
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{
"name": "response.ReadFrom"
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{
"name": "response.Write"
},
{
"name": "response.WriteHeader"
},
{
"name": "response.WriteString"
},
{
"name": "serverHandler.ServeHTTP"
},
{
"name": "socksDialer.DialWithConn"
},
{
"name": "socksUsernamePassword.Authenticate"
},
{
"name": "stringWriter.WriteString"
},
{
"name": "timeoutHandler.ServeHTTP"
},
{
"name": "timeoutWriter.Write"
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{
"name": "timeoutWriter.WriteHeader"
},
{
"name": "transportReadFromServerError.Error"
}
],
"vendor": "Go standard library",
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"versionType": "semver"
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}
]
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"defaultStatus": "unaffected",
"packageName": "golang.org/x/net/http2",
"product": "golang.org/x/net/http2",
"programRoutines": [
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"name": "Framer.readMetaFrame"
},
{
"name": "ClientConn.Close"
},
{
"name": "ClientConn.Ping"
},
{
"name": "ClientConn.RoundTrip"
},
{
"name": "ClientConn.Shutdown"
},
{
"name": "ConfigureServer"
},
{
"name": "ConfigureTransport"
},
{
"name": "ConfigureTransports"
},
{
"name": "ConnectionError.Error"
},
{
"name": "ErrCode.String"
},
{
"name": "FrameHeader.String"
},
{
"name": "FrameType.String"
},
{
"name": "FrameWriteRequest.String"
},
{
"name": "Framer.ReadFrame"
},
{
"name": "Framer.WriteContinuation"
},
{
"name": "Framer.WriteData"
},
{
"name": "Framer.WriteDataPadded"
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{
"name": "Framer.WriteGoAway"
},
{
"name": "Framer.WriteHeaders"
},
{
"name": "Framer.WritePing"
},
{
"name": "Framer.WritePriority"
},
{
"name": "Framer.WritePushPromise"
},
{
"name": "Framer.WriteRSTStream"
},
{
"name": "Framer.WriteRawFrame"
},
{
"name": "Framer.WriteSettings"
},
{
"name": "Framer.WriteSettingsAck"
},
{
"name": "Framer.WriteWindowUpdate"
},
{
"name": "GoAwayError.Error"
},
{
"name": "ReadFrameHeader"
},
{
"name": "Server.ServeConn"
},
{
"name": "Setting.String"
},
{
"name": "SettingID.String"
},
{
"name": "SettingsFrame.ForeachSetting"
},
{
"name": "StreamError.Error"
},
{
"name": "Transport.CloseIdleConnections"
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{
"name": "Transport.NewClientConn"
},
{
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{
"name": "Transport.RoundTripOpt"
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{
"name": "bufferedWriter.Flush"
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{
"name": "bufferedWriter.Write"
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{
"name": "chunkWriter.Write"
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{
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{
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{
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{
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{
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{
"name": "noDialH2RoundTripper.RoundTrip"
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{
"name": "requestBody.Close"
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{
"name": "requestBody.Read"
},
{
"name": "responseWriter.Flush"
},
{
"name": "responseWriter.FlushError"
},
{
"name": "responseWriter.Push"
},
{
"name": "responseWriter.SetReadDeadline"
},
{
"name": "responseWriter.SetWriteDeadline"
},
{
"name": "responseWriter.Write"
},
{
"name": "responseWriter.WriteHeader"
},
{
"name": "responseWriter.WriteString"
},
{
"name": "roundRobinWriteScheduler.OpenStream"
},
{
"name": "serverConn.CloseConn"
},
{
"name": "serverConn.Flush"
},
{
"name": "stickyErrWriter.Write"
},
{
"name": "transportResponseBody.Close"
},
{
"name": "transportResponseBody.Read"
},
{
"name": "writeData.String"
}
],
"vendor": "golang.org/x/net",
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],
"credits": [
{
"lang": "en",
"value": "Bartek Nowotarski (https://nowotarski.info/)"
}
],
"descriptions": [
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"value": "An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request\u0027s headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed. This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send. The fix sets a limit on the amount of excess header frames we will process before closing a connection."
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CVE-2023-45289 (GCVE-0-2023-45289)
Vulnerability from cvelistv5 – Published: 2024-03-05 22:22 – Updated: 2025-02-13 17:14
VLAI
EPSS
VEX
Title
Incorrect forwarding of sensitive headers and cookies on HTTP redirect in net/http
Summary
When following an HTTP redirect to a domain which is not a subdomain match or exact match of the initial domain, an http.Client does not forward sensitive headers such as "Authorization" or "Cookie". For example, a redirect from foo.com to www.foo.com will forward the Authorization header, but a redirect to bar.com will not. A maliciously crafted HTTP redirect could cause sensitive headers to be unexpectedly forwarded.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.21.8
(semver)
Affected: 1.22.0-0 , < 1.22.1 (semver) |
|
| Go standard library | net/http/cookiejar |
Affected:
0 , < 1.21.8
(semver)
Affected: 1.22.0-0 , < 1.22.1 (semver) |
Credits
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CVE-2023-39325 (GCVE-0-2023-39325)
Vulnerability from cvelistv5 – Published: 2023-10-11 21:15 – Updated: 2025-02-13 17:02
VLAI
EPSS
VEX
Title
HTTP/2 rapid reset can cause excessive work in net/http
Summary
A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a new request while the existing one is still executing. With the fix applied, HTTP/2 servers now bound the number of simultaneously executing handler goroutines to the stream concurrency limit (MaxConcurrentStreams). New requests arriving when at the limit (which can only happen after the client has reset an existing, in-flight request) will be queued until a handler exits. If the request queue grows too large, the server will terminate the connection. This issue is also fixed in golang.org/x/net/http2 for users manually configuring HTTP/2. The default stream concurrency limit is 250 streams (requests) per HTTP/2 connection. This value may be adjusted using the golang.org/x/net/http2 package; see the Server.MaxConcurrentStreams setting and the ConfigureServer function.
Severity
No CVSS data available.
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
43 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.20.10
(semver)
Affected: 1.21.0-0 , < 1.21.3 (semver) |
|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.17.0
(semver)
|
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],
"title": "HTTP/2 rapid reset can cause excessive work in net/http"
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CVE-2023-29406 (GCVE-0-2023-29406)
Vulnerability from cvelistv5 – Published: 2023-07-11 19:23 – Updated: 2025-02-13 16:49
VLAI
EPSS
VEX
Title
Insufficient sanitization of Host header in net/http
Summary
The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.19.11
(semver)
Affected: 1.20.0-0 , < 1.20.6 (semver) |
Credits
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CVE-2022-41723 (GCVE-0-2022-41723)
Vulnerability from cvelistv5 – Published: 2023-02-28 17:19 – Updated: 2025-05-05 16:12
VLAI
EPSS
VEX
Title
Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net
Summary
A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE 400: Uncontrolled Resource Consumption
- NVD-CWE-Other
Assigner
References
15 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.19.6
(semver)
Affected: 1.20.0-0 , < 1.20.1 (semver) |
|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.7.0
(semver)
|
|
| golang.org/x/net | golang.org/x/net/http2/hpack |
Affected:
0 , < 0.7.0
(semver)
|
Credits
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CVE-2022-41717 (GCVE-0-2022-41717)
Vulnerability from cvelistv5 – Published: 2022-12-08 19:03 – Updated: 2025-02-13 16:33
VLAI
EPSS
VEX
Title
Excessive memory growth in net/http and golang.org/x/net/http2
Summary
An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.
Severity
No CVSS data available.
CWE
- CWE 400: Uncontrolled Resource Consumption
Assigner
References
24 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.18.9
(semver)
Affected: 1.19.0-0 , < 1.19.4 (semver) |
|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.4.0
(semver)
|
Credits
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CVE-2022-41720 (GCVE-0-2022-41720)
Vulnerability from cvelistv5 – Published: 2022-12-07 16:11 – Updated: 2025-04-23 15:43
VLAI
EPSS
VEX
Title
Restricted file access on Windows in os and net/http
Summary
On Windows, restricted files can be accessed via os.DirFS and http.Dir. The os.DirFS function and http.Dir type provide access to a tree of files rooted at a given directory. These functions permit access to Windows device files under that root. For example, os.DirFS("C:/tmp").Open("COM1") opens the COM1 device. Both os.DirFS and http.Dir only provide read-only filesystem access. In addition, on Windows, an os.DirFS for the directory (the root of the current drive) can permit a maliciously crafted path to escape from the drive and access any path on the system. With fix applied, the behavior of os.DirFS("") has changed. Previously, an empty root was treated equivalently to "/", so os.DirFS("").Open("tmp") would open the path "/tmp". This now returns an error.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE 22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | os |
Affected:
0 , < 1.18.9
(semver)
Affected: 1.19.0-0 , < 1.19.4 (semver) |
|
| Go standard library | net/http |
Affected:
0 , < 1.18.9
(semver)
Affected: 1.19.0-0 , < 1.19.4 (semver) |
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}
},
{
"other": {
"content": {
"id": "CVE-2022-41720",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-23T15:41:16.852650Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-23T15:43:46.208Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "os",
"platforms": [
"windows"
],
"product": "os",
"programRoutines": [
{
"name": "dirFS.Open"
},
{
"name": "dirFS.Stat"
},
{
"name": "DirFS"
}
],
"vendor": "Go standard library",
"versions": [
{
"lessThan": "1.18.9",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "1.19.4",
"status": "affected",
"version": "1.19.0-0",
"versionType": "semver"
}
]
},
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "net/http",
"platforms": [
"windows"
],
"product": "net/http",
"programRoutines": [
{
"name": "Dir.Open"
},
{
"name": "ServeFile"
},
{
"name": "fileHandler.ServeHTTP"
},
{
"name": "fileTransport.RoundTrip"
}
],
"vendor": "Go standard library",
"versions": [
{
"lessThan": "1.18.9",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "1.19.4",
"status": "affected",
"version": "1.19.0-0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "On Windows, restricted files can be accessed via os.DirFS and http.Dir. The os.DirFS function and http.Dir type provide access to a tree of files rooted at a given directory. These functions permit access to Windows device files under that root. For example, os.DirFS(\"C:/tmp\").Open(\"COM1\") opens the COM1 device. Both os.DirFS and http.Dir only provide read-only filesystem access. In addition, on Windows, an os.DirFS for the directory (the root of the current drive) can permit a maliciously crafted path to escape from the drive and access any path on the system. With fix applied, the behavior of os.DirFS(\"\") has changed. Previously, an empty root was treated equivalently to \"/\", so os.DirFS(\"\").Open(\"tmp\") would open the path \"/tmp\". This now returns an error."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE 22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-06-12T19:05:39.487Z",
"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
"shortName": "Go"
},
"references": [
{
"url": "https://go.dev/issue/56694"
},
{
"url": "https://go.dev/cl/455716"
},
{
"url": "https://groups.google.com/g/golang-announce/c/L_3rmdT0BMU/m/yZDrXjIiBQAJ"
},
{
"url": "https://pkg.go.dev/vuln/GO-2022-1143"
}
],
"title": "Restricted file access on Windows in os and net/http"
}
},
"cveMetadata": {
"assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
"assignerShortName": "Go",
"cveId": "CVE-2022-41720",
"datePublished": "2022-12-07T16:11:18.867Z",
"dateReserved": "2022-09-28T17:00:06.609Z",
"dateUpdated": "2025-04-23T15:43:46.208Z",
"requesterUserId": "7d08541a-cd0a-42e2-8f81-76e6ceb65fc3",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}