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9 vulnerabilities found for http2 by golang
VAR-202310-0175
Vulnerability from variot - Updated: 2025-12-22 22:37The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. The updated image includes new features and bug fixes.
It contains the following bug fixes and changes:
-
Previously, Red Hat OpenShift Container Platform customers using the downloaded manifest bundle with automatic upgrades enabled found that Sensor did not automatically upgrade, and failed with a
PRE_FLIGHT_CHECKS_FAILEDerror. This issue has been fixed. (ROX-19955) -
RHACS 4.2.2 includes a new default policy called \"Rapid Reset: Denial of Service Vulnerability in HTTP/2 Protocol\". This policy alerts on deployments with images containing components that are susceptible to a Denial of Service (DoS) vulnerability for HTTP/2 servers, based on CVE-2023-44487 and CVE-2023-39325. This policy applies to the build or deploy life cycle stage.
Description:
This asynchronous patch is a security update zip for the JBoss EAP XP 4.0.0 runtime distribution for use with EAP 7.4.13. ========================================================================== Ubuntu Security Notice USN-6438-2 October 25, 2023
.Net regressions
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
Summary:
An incomplete fix was discovered in .Net.
Software Description: - dotnet6: dotNET CLI tools and runtime - dotnet7: dotNET CLI tools and runtime
Details:
USN-6438-1 fixed vulnerabilities in .Net. It was discovered that the fix for CVE-2023-36799 was incomplete. This update fixes the problem.
Original advisory details:
Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-36799)
It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-44487)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 23.10: aspnetcore-runtime-6.0 6.0.124-0ubuntu1~23.10.1 aspnetcore-runtime-7.0 7.0.113-0ubuntu1~23.10.1 dotnet-host 6.0.124-0ubuntu1~23.10.1 dotnet-host-7.0 7.0.113-0ubuntu1~23.10.1 dotnet-hostfxr-6.0 6.0.124-0ubuntu1~23.10.1 dotnet-hostfxr-7.0 7.0.113-0ubuntu1~23.10.1 dotnet-runtime-6.0 6.0.124-0ubuntu1~23.10.1 dotnet-runtime-7.0 7.0.113-0ubuntu1~23.10.1 dotnet-sdk-6.0 6.0.124-0ubuntu1~23.10.1 dotnet-sdk-7.0 7.0.113-0ubuntu1~23.10.1 dotnet6 6.0.124-0ubuntu1~23.10.1 dotnet7 7.0.113-0ubuntu1~23.10.1
In general, a standard system update will make all the necessary changes.
The following data is constructed from data provided by Red Hat's json file at:
https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_5896.json
Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.
- Packet Storm Staff
==================================================================== Red Hat Security Advisory
Synopsis: Important: OpenShift Container Platform 4.12.40 bug fix and security update Advisory ID: RHSA-2023:5896-01 Product: Red Hat OpenShift Enterprise Advisory URL: https://access.redhat.com/errata/RHSA-2023:5896 Issue date: 2023-10-25 Revision: 01 CVE Names: CVE-2023-44487 ====================================================================
Summary:
Red Hat OpenShift Container Platform release 4.12.40 is now available with updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container Platform 4.12.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description:
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
This advisory contains the container images for Red Hat OpenShift Container Platform 4.12.40. See the following advisory for the RPM packages for this release:
https://access.redhat.com/errata/RHBA-2023:5898
Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:
https://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.html
Security Fix(es):
- HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
A Red Hat Security Bulletin which addresses further details about the Rapid Reset flaw is available in the References section.
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
All OpenShift Container Platform 4.12 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html
Solution:
https://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.html
CVEs:
CVE-2023-44487
References:
https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2023-003
. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512
Debian Security Advisory DSA-5522-1 security@debian.org https://www.debian.org/security/ Markus Koschany October 10, 2023 https://www.debian.org/security/faq
Package : tomcat9 CVE ID : CVE-2023-24998 CVE-2023-41080 CVE-2023-42795 CVE-2023-44487 CVE-2023-45648
Several security vulnerabilities have been discovered in the Tomcat servlet and JSP engine.
CVE-2023-24998
Denial of service. Tomcat uses a packaged renamed copy of Apache Commons
FileUpload to provide the file upload functionality defined in the Jakarta
Servlet specification. Apache Tomcat was, therefore, also vulnerable to the
Commons FileUpload vulnerability CVE-2023-24998 as there was no limit to
the number of request parts processed. This resulted in the possibility of
an attacker triggering a DoS with a malicious upload or series of uploads.
CVE-2023-41080
Open redirect. If the ROOT (default) web application is configured to use
FORM authentication then it is possible that a specially crafted URL could
be used to trigger a redirect to an URL of the attackers choice.
CVE-2023-42795
Information Disclosure. When recycling various internal objects, including
the request and the response, prior to re-use by the next request/response,
an error could cause Tomcat to skip some parts of the recycling process
leading to information leaking from the current request/response to the
next.
CVE-2023-44487
DoS caused by HTTP/2 frame overhead (Rapid Reset Attack)
CVE-2023-45648
Request smuggling. Tomcat did not correctly parse HTTP trailer headers. A
specially crafted, invalid trailer header could cause Tomcat to treat a
single request as multiple requests leading to the possibility of request
smuggling when behind a reverse proxy.
For the oldstable distribution (bullseye), these problems have been fixed in version 9.0.43-2~deb11u7.
We recommend that you upgrade your tomcat9 packages.
For the detailed security status of tomcat9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/tomcat9
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
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Description:
Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up.
Description:
Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language
Show details on source website{
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"data": "The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. The updated image includes new features and bug fixes. \n\nIt contains the following bug fixes and changes:\n\n* Previously, Red Hat OpenShift Container Platform customers using the downloaded manifest bundle with automatic upgrades enabled found that Sensor did not automatically upgrade, and failed with a `PRE_FLIGHT_CHECKS_FAILED` error. This issue has been fixed. (ROX-19955)\n\n* RHACS 4.2.2 includes a new default policy called \\\"Rapid Reset: Denial of\nService Vulnerability in HTTP/2 Protocol\\\". This policy alerts on\ndeployments with images containing components that are susceptible to a\nDenial of Service (DoS) vulnerability for HTTP/2 servers, based on\nCVE-2023-44487 and CVE-2023-39325. This policy applies to the build or\ndeploy life cycle stage. \n\n\n\n\nDescription:\n\nThis asynchronous patch is a security update zip for the JBoss EAP XP 4.0.0 runtime distribution for use with EAP 7.4.13. ==========================================================================\nUbuntu Security Notice USN-6438-2\nOctober 25, 2023\n\n.Net regressions\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 23.10\n\nSummary:\n\nAn incomplete fix was discovered in .Net. \n\nSoftware Description:\n- dotnet6: dotNET CLI tools and runtime\n- dotnet7: dotNET CLI tools and runtime\n\nDetails:\n\nUSN-6438-1 fixed vulnerabilities in .Net. It was discovered that the fix\nfor [CVE-2023-36799](https://ubuntu.com/security/CVE-2023-36799) was incomplete. This update fixes the problem. \n\nOriginal advisory details:\n\n Kevin Jones discovered that .NET did not properly process certain\n X.509 certificates. An attacker could possibly use this issue to\n cause a denial of service. (CVE-2023-36799)\n \n It was discovered that the .NET Kestrel web server did not properly\n handle HTTP/2 requests. A remote attacker could possibly use this\n issue to cause a denial of service. (CVE-2023-44487)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 23.10:\n aspnetcore-runtime-6.0 6.0.124-0ubuntu1~23.10.1\n aspnetcore-runtime-7.0 7.0.113-0ubuntu1~23.10.1\n dotnet-host 6.0.124-0ubuntu1~23.10.1\n dotnet-host-7.0 7.0.113-0ubuntu1~23.10.1\n dotnet-hostfxr-6.0 6.0.124-0ubuntu1~23.10.1\n dotnet-hostfxr-7.0 7.0.113-0ubuntu1~23.10.1\n dotnet-runtime-6.0 6.0.124-0ubuntu1~23.10.1\n dotnet-runtime-7.0 7.0.113-0ubuntu1~23.10.1\n dotnet-sdk-6.0 6.0.124-0ubuntu1~23.10.1\n dotnet-sdk-7.0 7.0.113-0ubuntu1~23.10.1\n dotnet6 6.0.124-0ubuntu1~23.10.1\n dotnet7 7.0.113-0ubuntu1~23.10.1\n\nIn general, a standard system update will make all the necessary changes. \n\nThe following data is constructed from data provided by Red Hat\u0027s json file at:\n\nhttps://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_5896.json\n\nRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat\u0027s archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment. \n\n- Packet Storm Staff\n\n\n\n\n====================================================================\nRed Hat Security Advisory\n\nSynopsis: Important: OpenShift Container Platform 4.12.40 bug fix and security update\nAdvisory ID: RHSA-2023:5896-01\nProduct: Red Hat OpenShift Enterprise\nAdvisory URL: https://access.redhat.com/errata/RHSA-2023:5896\nIssue date: 2023-10-25\nRevision: 01\nCVE Names: CVE-2023-44487\n====================================================================\n\nSummary: \n\nRed Hat OpenShift Container Platform release 4.12.40 is now available with updates to packages and images that fix several bugs and add enhancements. \n\nThis release includes a security update for Red Hat OpenShift Container Platform 4.12. \n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. \n\n\n\n\nDescription:\n\nRed Hat OpenShift Container Platform is Red Hat\u0027s cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. \n\nThis advisory contains the container images for Red Hat OpenShift Container Platform 4.12.40. See the following advisory for the RPM packages for this release:\n\nhttps://access.redhat.com/errata/RHBA-2023:5898\n\nSpace precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:\n\nhttps://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.html\n\nSecurity Fix(es):\n\n* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n\nA Red Hat Security Bulletin which addresses further details about the Rapid Reset flaw is available in the References section. \n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. \n\nAll OpenShift Container Platform 4.12 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html\n\n\nSolution:\n\nhttps://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.html\n\n\n\nCVEs:\n\nCVE-2023-44487\n\nReferences:\n\nhttps://access.redhat.com/security/updates/classification/#important\nhttps://access.redhat.com/security/vulnerabilities/RHSB-2023-003\n\n. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA512\n\n- -------------------------------------------------------------------------\nDebian Security Advisory DSA-5522-1 security@debian.org\nhttps://www.debian.org/security/ Markus Koschany\nOctober 10, 2023 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : tomcat9\nCVE ID : CVE-2023-24998 CVE-2023-41080 CVE-2023-42795 CVE-2023-44487\n CVE-2023-45648\n\nSeveral security vulnerabilities have been discovered in the Tomcat\nservlet and JSP engine. \n\nCVE-2023-24998\n\n Denial of service. Tomcat uses a packaged renamed copy of Apache Commons\n FileUpload to provide the file upload functionality defined in the Jakarta\n Servlet specification. Apache Tomcat was, therefore, also vulnerable to the\n Commons FileUpload vulnerability CVE-2023-24998 as there was no limit to\n the number of request parts processed. This resulted in the possibility of\n an attacker triggering a DoS with a malicious upload or series of uploads. \n\nCVE-2023-41080\n\n Open redirect. If the ROOT (default) web application is configured to use\n FORM authentication then it is possible that a specially crafted URL could\n be used to trigger a redirect to an URL of the attackers choice. \n\nCVE-2023-42795\n\n Information Disclosure. When recycling various internal objects, including\n the request and the response, prior to re-use by the next request/response,\n an error could cause Tomcat to skip some parts of the recycling process\n leading to information leaking from the current request/response to the\n next. \n\nCVE-2023-44487\n\n DoS caused by HTTP/2 frame overhead (Rapid Reset Attack)\n\nCVE-2023-45648\n\n Request smuggling. Tomcat did not correctly parse HTTP trailer headers. A\n specially crafted, invalid trailer header could cause Tomcat to treat a\n single request as multiple requests leading to the possibility of request\n smuggling when behind a reverse proxy. \n\nFor the oldstable distribution (bullseye), these problems have been fixed\nin version 9.0.43-2~deb11u7. \n\nWe recommend that you upgrade your tomcat9 packages. \n\nFor the detailed security status of tomcat9 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/tomcat9\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n-----BEGIN PGP SIGNATURE-----\n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\ne3g3nA1rbB1jlx6cvPqWBFItXW8800mJ0CXHb8EN8jKdB5BnooY=\n=6KYM\n-----END PGP SIGNATURE-----\n. \n\n\n\n\nDescription:\n\nVarnish Cache is a high-performance HTTP accelerator. 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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?
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
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.20.10
(semver)
Affected: 1.21.0-0 , < 1.21.3 (semver) |
|||||||
|
|||||||||
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],
"title": "HTTP/2 rapid reset can cause excessive work in net/http"
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"datePublished": "2023-10-11T21:15:02.727Z",
"dateReserved": "2023-07-27T17:05:55.188Z",
"dateUpdated": "2025-02-13T17:02:50.341Z",
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CVE-2023-44487 (GCVE-0-2023-44487)
Vulnerability from nvd – Published: 2023-10-10 00:00 – Updated: 2025-11-04 21:08
VLAI?
Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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{
"name": "[oss-security] 20231010 Re: CVE-2023-44487: HTTP/2 Rapid Reset attack against many implementations",
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"assignerShortName": "mitre",
"cveId": "CVE-2023-44487",
"datePublished": "2023-10-10T00:00:00.000Z",
"dateReserved": "2023-09-29T00:00:00.000Z",
"dateUpdated": "2025-11-04T21:08:27.383Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2022-41723 (GCVE-0-2022-41723)
Vulnerability from nvd – Published: 2023-02-28 17:19 – Updated: 2025-05-05 16:12
VLAI?
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)
CWE
- CWE 400: Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.19.6
(semver)
Affected: 1.20.0-0 , < 1.20.1 (semver) |
||||||||||||
|
||||||||||||||
Credits
Philippe Antoine (Catena cyber)
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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?
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
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.18.9
(semver)
Affected: 1.19.0-0 , < 1.19.4 (semver) |
|||||||
|
|||||||||
Credits
Josselin Costanzi
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"title": "Excessive memory growth in net/http and golang.org/x/net/http2"
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"cveMetadata": {
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"assignerShortName": "Go",
"cveId": "CVE-2022-41717",
"datePublished": "2022-12-08T19:03:53.161Z",
"dateReserved": "2022-09-28T17:00:06.608Z",
"dateUpdated": "2025-02-13T16:33:08.284Z",
"requesterUserId": "7d08541a-cd0a-42e2-8f81-76e6ceb65fc3",
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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?
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
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Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.20.10
(semver)
Affected: 1.21.0-0 , < 1.21.3 (semver) |
|||||||
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"title": "HTTP/2 rapid reset can cause excessive work in net/http"
}
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"assignerShortName": "Go",
"cveId": "CVE-2023-39325",
"datePublished": "2023-10-11T21:15:02.727Z",
"dateReserved": "2023-07-27T17:05:55.188Z",
"dateUpdated": "2025-02-13T17:02:50.341Z",
"state": "PUBLISHED"
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CVE-2023-44487 (GCVE-0-2023-44487)
Vulnerability from cvelistv5 – Published: 2023-10-10 00:00 – Updated: 2025-11-04 21:08
VLAI?
Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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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?
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)
CWE
- CWE 400: Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.19.6
(semver)
Affected: 1.20.0-0 , < 1.20.1 (semver) |
||||||||||||
|
||||||||||||||
Credits
Philippe Antoine (Catena cyber)
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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?
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
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.18.9
(semver)
Affected: 1.19.0-0 , < 1.19.4 (semver) |
|||||||
|
|||||||||
Credits
Josselin Costanzi
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