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8 vulnerabilities found for ws by websockets
CVE-2026-48779 (GCVE-0-2026-48779)
Vulnerability from nvd – Published: 2026-06-16 21:26 – Updated: 2026-06-30 12:09
VLAI
Title
ws: Memory exhaustion DoS from tiny fragments and data chunks
Summary
ws is an open source WebSocket client and server for Node.js. All versions from 1.1.0 up to (but not including) 5.2.5, from 6.0.0 up to 6.2.4, from 7.0.0 up to 7.5.11, and from 8.0.0 up to 8.21.0 are affected by a memory exhaustion DoS vulnerability. A peer can send a high volume of exceptionally small fragments and data chunks, with modest network traffic, to force the remote peer into allocating and holding structural wrappers that consume far more memory than the default documented message-size limit, leading to process termination due to OOM. This issue has been fixed in versions 5.2.5, 6.2.4, 7.5.11, and 8.21.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
14 references
Impacted products
41 products
| Vendor | Product | Version | |
|---|---|---|---|
| websockets | ws |
Affected:
>= 1.1.0, < 5.2.5
Affected: >= 6.0.0, < 6.2.4 Affected: >= 7.0.0, < 7.5.11 Affected: >= 8.0.0, < 8.21.0 |
|
| Red Hat | Red Hat Discovery 2 |
cpe:/a:redhat:discovery:2::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 2.6 |
cpe:/a:redhat:service_mesh:2.6::el8 |
|
| 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 | Cryostat 4 |
cpe:/a:redhat:cryostat:4 |
|
| Red Hat | Gatekeeper 3 |
cpe:/a:redhat:gatekeeper:3 |
|
| Red Hat | Migration Toolkit for Containers |
cpe:/a:redhat:rhmt:1 |
|
| Red Hat | Node HealthCheck Operator |
cpe:/a:redhat:workload_availability_nhc:0 |
|
| Red Hat | OpenShift Lightspeed |
cpe:/a:redhat:openshift_lightspeed |
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1 |
|
| Red Hat | Red Hat AMQ Broker 7 |
cpe:/a:redhat:amq_broker:7 |
|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2 |
|
| Red Hat | Red Hat build of Apache Camel - HawtIO 4 |
cpe:/a:redhat:apache_camel_hawtio:4 |
|
| Red Hat | Red Hat Build of Podman Desktop |
cpe:/a:redhat:podman_desktop:1 |
|
| Red Hat | Red Hat Build of Podman Desktop - Tech Preview |
cpe:/a:redhat:podman_desktop:0 |
|
| Red Hat | Red Hat Connectivity Link 1 |
cpe:/a:redhat:connectivity_link:1 |
|
| Red Hat | Red Hat Data Grid 8 |
cpe:/a:redhat:jboss_data_grid:8 |
|
| Red Hat | Red Hat Developer Hub |
cpe:/a:redhat:rhdh:1 |
|
| 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 Fuse 7 |
cpe:/a:redhat:jboss_fuse:7 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
|
| 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 Data Foundation 4 |
cpe:/a:redhat:openshift_data_foundation:4 |
|
| Red Hat | Red Hat OpenShift Dev Spaces |
cpe:/a:redhat:openshift_devspaces:3 |
|
| Red Hat | Red Hat OpenShift Virtualization 4 |
cpe:/a:redhat:container_native_virtualization:4 |
|
| Red Hat | Red Hat Quay 3 |
cpe:/a:redhat:quay:3 |
|
| Red Hat | Red Hat Satellite 6 |
cpe:/a:redhat:satellite:6 |
|
| Red Hat | Red Hat Trusted Artifact Signer |
cpe:/a:redhat:trusted_artifact_signer:1 |
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2 |
|
| Red Hat | OpenShift Service Mesh 3 |
cpe:/a:redhat:service_mesh:3 |
|
| Red Hat | Red Hat build of Apache Camel for Spring Boot 4 |
cpe:/a:redhat:camel_spring_boot:4 |
|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak: |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
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CVE-2026-45736 (GCVE-0-2026-45736)
Vulnerability from nvd – Published: 2026-05-15 14:53 – Updated: 2026-06-30 12:10
VLAI
Title
ws: Uninitialized memory disclosure
Summary
ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.
Severity
4.4 (Medium)
7.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/websockets/ws/security/advisor… | x_refsource_CONFIRM |
| https://github.com/websockets/ws/commit/c0327ec15… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-45736 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2477914 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:29197 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26638 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26994 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27171 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:7655 | vendor-advisoryx_refsource_REDHAT |
Impacted products
37 products
| Vendor | Product | Version | |
|---|---|---|---|
| websockets | ws |
Affected:
>= 8.0.0, < 8.20.1
|
|
| Red Hat | Red Hat Discovery 2 |
cpe:/a:redhat:discovery:2::el9 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Cryostat 4 |
cpe:/a:redhat:cryostat:4 |
|
| Red Hat | Gatekeeper 3 |
cpe:/a:redhat:gatekeeper:3 |
|
| Red Hat | Migration Toolkit for Containers |
cpe:/a:redhat:rhmt:1 |
|
| Red Hat | Node HealthCheck Operator |
cpe:/a:redhat:workload_availability_nhc:0 |
|
| Red Hat | OpenShift Lightspeed |
cpe:/a:redhat:openshift_lightspeed |
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1 |
|
| Red Hat | Red Hat AMQ Broker 7 |
cpe:/a:redhat:amq_broker:7 |
|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2 |
|
| Red Hat | Red Hat build of Apache Camel - HawtIO 4 |
cpe:/a:redhat:apache_camel_hawtio:4 |
|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak: |
|
| Red Hat | Red Hat Build of Podman Desktop |
cpe:/a:redhat:podman_desktop:1 |
|
| Red Hat | Red Hat Build of Podman Desktop - Tech Preview |
cpe:/a:redhat:podman_desktop:0 |
|
| Red Hat | Red Hat Connectivity Link 1 |
cpe:/a:redhat:connectivity_link:1 |
|
| Red Hat | Red Hat Data Grid 8 |
cpe:/a:redhat:jboss_data_grid:8 |
|
| Red Hat | Red Hat Developer Hub |
cpe:/a:redhat:rhdh:1 |
|
| 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 Data Foundation 4 |
cpe:/a:redhat:openshift_data_foundation:4 |
|
| Red Hat | Red Hat OpenShift Dev Spaces |
cpe:/a:redhat:openshift_devspaces:3 |
|
| Red Hat | Red Hat OpenShift Virtualization 4 |
cpe:/a:redhat:container_native_virtualization:4 |
|
| Red Hat | Red Hat Quay 3 |
cpe:/a:redhat:quay:3 |
|
| Red Hat | Red Hat Satellite 6 |
cpe:/a:redhat:satellite:6 |
|
| Red Hat | Red Hat Trusted Artifact Signer |
cpe:/a:redhat:trusted_artifact_signer:1 |
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2 |
|
| Red Hat | OpenShift Service Mesh 2 |
cpe:/a:redhat:service_mesh:2 |
|
| Red Hat | OpenShift Service Mesh 3 |
cpe:/a:redhat:service_mesh:3 |
|
| Red Hat | Red Hat build of Apache Camel for Spring Boot 4 |
cpe:/a:redhat:camel_spring_boot:4 |
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
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CVE-2024-37890 (GCVE-0-2024-37890)
Vulnerability from nvd – Published: 2024-06-17 19:09 – Updated: 2024-08-02 03:57
VLAI
Title
Denial of service when handling a request with many HTTP headers in ws
Summary
ws is an open source WebSocket client and server for Node.js. A request with a number of headers exceeding theserver.maxHeadersCount threshold could be used to crash a ws server. The vulnerability was fixed in ws@8.17.1 (e55e510) and backported to ws@7.5.10 (22c2876), ws@6.2.3 (eeb76d3), and ws@5.2.4 (4abd8f6). In vulnerable versions of ws, the issue can be mitigated in the following ways: 1. Reduce the maximum allowed length of the request headers using the --max-http-header-size=size and/or the maxHeaderSize options so that no more headers than the server.maxHeadersCount limit can be sent. 2. Set server.maxHeadersCount to 0 so that no limit is applied.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/websockets/ws/security/advisor… | x_refsource_CONFIRM |
| https://github.com/websockets/ws/issues/2230 | x_refsource_MISC |
| https://github.com/websockets/ws/pull/2231 | x_refsource_MISC |
| https://github.com/websockets/ws/commit/22c287632… | x_refsource_MISC |
| https://github.com/websockets/ws/commit/4abd8f6de… | x_refsource_MISC |
| https://github.com/websockets/ws/commit/e55e5106f… | x_refsource_MISC |
| https://github.com/websockets/ws/commit/eeb76d313… | x_refsource_MISC |
| https://nodejs.org/api/http.html#servermaxheaderscount | x_refsource_MISC |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| websockets | ws |
Affected:
>= 2.1.0, < 5.2.4
Affected: >= 6.0.0, < 6.2.3 Affected: >= 7.0.0, < 7.5.10 Affected: >= 8.0.0, < 8.17.1 |
|
| websockets | ws |
Affected:
2.1.0
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
0 , < 5.2.4
(custom)
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
6.0.0
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
0 , < 6.2.3
(custom)
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
7.0.0
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
0 , < 7.5.10
(custom)
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
8.0.0
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
0 , < 8.17.1
(custom)
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
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CVE-2021-32640 (GCVE-0-2021-32640)
Vulnerability from nvd – Published: 2021-05-25 18:25 – Updated: 2024-08-03 23:25
VLAI
Title
ReDoS in Sec-Websocket-Protocol header
Summary
ws is an open source WebSocket client and server library for Node.js. A specially crafted value of the `Sec-Websocket-Protocol` header can be used to significantly slow down a ws server. The vulnerability has been fixed in ws@7.4.6 (https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff). In vulnerable versions of ws, the issue can be mitigated by reducing the maximum allowed length of the request headers using the [`--max-http-header-size=size`](https://nodejs.org/api/cli.html#cli_max_http_header_size_size) and/or the [`maxHeaderSize`](https://nodejs.org/api/http.html#http_http_createserver_options_requestlistener) options.
Severity
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/websockets/ws/security/advisor… | x_refsource_CONFIRM |
| https://github.com/websockets/ws/commit/00c425ec7… | x_refsource_MISC |
| https://lists.apache.org/thread.html/rdfa7b6253c4… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2021070… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| websockets | ws |
Affected:
>= 5.0.0 <= 7.4.5
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CVE-2026-48779 (GCVE-0-2026-48779)
Vulnerability from cvelistv5 – Published: 2026-06-16 21:26 – Updated: 2026-06-30 12:09
VLAI
Title
ws: Memory exhaustion DoS from tiny fragments and data chunks
Summary
ws is an open source WebSocket client and server for Node.js. All versions from 1.1.0 up to (but not including) 5.2.5, from 6.0.0 up to 6.2.4, from 7.0.0 up to 7.5.11, and from 8.0.0 up to 8.21.0 are affected by a memory exhaustion DoS vulnerability. A peer can send a high volume of exceptionally small fragments and data chunks, with modest network traffic, to force the remote peer into allocating and holding structural wrappers that consume far more memory than the default documented message-size limit, leading to process termination due to OOM. This issue has been fixed in versions 5.2.5, 6.2.4, 7.5.11, and 8.21.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
14 references
Impacted products
41 products
| Vendor | Product | Version | |
|---|---|---|---|
| websockets | ws |
Affected:
>= 1.1.0, < 5.2.5
Affected: >= 6.0.0, < 6.2.4 Affected: >= 7.0.0, < 7.5.11 Affected: >= 8.0.0, < 8.21.0 |
|
| Red Hat | Red Hat Discovery 2 |
cpe:/a:redhat:discovery:2::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 2.6 |
cpe:/a:redhat:service_mesh:2.6::el8 |
|
| 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 | Cryostat 4 |
cpe:/a:redhat:cryostat:4 |
|
| Red Hat | Gatekeeper 3 |
cpe:/a:redhat:gatekeeper:3 |
|
| Red Hat | Migration Toolkit for Containers |
cpe:/a:redhat:rhmt:1 |
|
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|
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cpe:/a:redhat:jboss_enterprise_application_platform:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
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CVE-2026-45736 (GCVE-0-2026-45736)
Vulnerability from cvelistv5 – Published: 2026-05-15 14:53 – Updated: 2026-06-30 12:10
VLAI
Title
ws: Uninitialized memory disclosure
Summary
ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.
Severity
4.4 (Medium)
7.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/websockets/ws/security/advisor… | x_refsource_CONFIRM |
| https://github.com/websockets/ws/commit/c0327ec15… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-45736 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2477914 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:29197 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26638 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26994 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27171 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:7655 | vendor-advisoryx_refsource_REDHAT |
Impacted products
37 products
| Vendor | Product | Version | |
|---|---|---|---|
| websockets | ws |
Affected:
>= 8.0.0, < 8.20.1
|
|
| Red Hat | Red Hat Discovery 2 |
cpe:/a:redhat:discovery:2::el9 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Cryostat 4 |
cpe:/a:redhat:cryostat:4 |
|
| Red Hat | Gatekeeper 3 |
cpe:/a:redhat:gatekeeper:3 |
|
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CVE-2024-37890 (GCVE-0-2024-37890)
Vulnerability from cvelistv5 – Published: 2024-06-17 19:09 – Updated: 2024-08-02 03:57
VLAI
Title
Denial of service when handling a request with many HTTP headers in ws
Summary
ws is an open source WebSocket client and server for Node.js. A request with a number of headers exceeding theserver.maxHeadersCount threshold could be used to crash a ws server. The vulnerability was fixed in ws@8.17.1 (e55e510) and backported to ws@7.5.10 (22c2876), ws@6.2.3 (eeb76d3), and ws@5.2.4 (4abd8f6). In vulnerable versions of ws, the issue can be mitigated in the following ways: 1. Reduce the maximum allowed length of the request headers using the --max-http-header-size=size and/or the maxHeaderSize options so that no more headers than the server.maxHeadersCount limit can be sent. 2. Set server.maxHeadersCount to 0 so that no limit is applied.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/websockets/ws/security/advisor… | x_refsource_CONFIRM |
| https://github.com/websockets/ws/issues/2230 | x_refsource_MISC |
| https://github.com/websockets/ws/pull/2231 | x_refsource_MISC |
| https://github.com/websockets/ws/commit/22c287632… | x_refsource_MISC |
| https://github.com/websockets/ws/commit/4abd8f6de… | x_refsource_MISC |
| https://github.com/websockets/ws/commit/e55e5106f… | x_refsource_MISC |
| https://github.com/websockets/ws/commit/eeb76d313… | x_refsource_MISC |
| https://nodejs.org/api/http.html#servermaxheaderscount | x_refsource_MISC |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| websockets | ws |
Affected:
>= 2.1.0, < 5.2.4
Affected: >= 6.0.0, < 6.2.3 Affected: >= 7.0.0, < 7.5.10 Affected: >= 8.0.0, < 8.17.1 |
|
| websockets | ws |
Affected:
2.1.0
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
0 , < 5.2.4
(custom)
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
6.0.0
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
0 , < 6.2.3
(custom)
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
7.0.0
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
0 , < 7.5.10
(custom)
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
8.0.0
cpe:2.3:a:websockets:ws:*:*:*:*:*:*:*:* |
|
| websockets | ws |
Affected:
0 , < 8.17.1
(custom)
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CVE-2021-32640 (GCVE-0-2021-32640)
Vulnerability from cvelistv5 – Published: 2021-05-25 18:25 – Updated: 2024-08-03 23:25
VLAI
Title
ReDoS in Sec-Websocket-Protocol header
Summary
ws is an open source WebSocket client and server library for Node.js. A specially crafted value of the `Sec-Websocket-Protocol` header can be used to significantly slow down a ws server. The vulnerability has been fixed in ws@7.4.6 (https://github.com/websockets/ws/commit/00c425ec77993773d823f018f64a5c44e17023ff). In vulnerable versions of ws, the issue can be mitigated by reducing the maximum allowed length of the request headers using the [`--max-http-header-size=size`](https://nodejs.org/api/cli.html#cli_max_http_header_size_size) and/or the [`maxHeaderSize`](https://nodejs.org/api/http.html#http_http_createserver_options_requestlistener) options.
Severity
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/websockets/ws/security/advisor… | x_refsource_CONFIRM |
| https://github.com/websockets/ws/commit/00c425ec7… | x_refsource_MISC |
| https://lists.apache.org/thread.html/rdfa7b6253c4… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2021070… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| websockets | ws |
Affected:
>= 5.0.0 <= 7.4.5
|
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