CVE-2026-45736
Fixed in a distro release EPSS <1%CVSS 4.4
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.
Products: websockets ws, Red Hat Cryostat 4 on RHEL 9, Red Hat AMQ Broker 7.13.6, Red Hat AMQ Broker 7.14.1, Red Hat Enterprise Linux 10, Red Hat Ansible Automation Platform 2.6, Red Hat Developer Hub 1.10, Red Hat Developer Hub 1.9, Red Hat Discovery 2, Red Hat Hardened Images, Red Hat Migration Toolkit 1.8, Red Hat OpenShift AI 2.25, Red Hat OpenShift AI 3.4, Red Hat OpenShift Container Platform 4.19, Red Hat OpenShift Container Platform 4.20, Red Hat OpenShift Container Platform 4.21, Red Hat OpenShift Container Platform 4.22, Red Hat Openshift Data Foundation 4.18, Red Hat Openshift Data Foundation 4.19, Red Hat Openshift Data Foundation 4.20, Red Hat Openshift Data Foundation 4.22, Red Hat OpenShift Dev Spaces 3.29, Red Hat Trusted Artifact Signer 1.4, Red Hat Cryostat 4, Red Hat Gatekeeper 3, Red Hat Node HealthCheck Operator, Red Hat OpenShift Lightspeed, Red Hat OpenShift Pipelines, Red Hat OpenShift Service Mesh 2, Red Hat OpenShift Service Mesh 3, Red Hat Ansible Automation Platform 2, Red Hat build of Apache Camel for Spring Boot 4, Red Hat build of Apache Camel - HawtIO 4, Red Hat Build of Keycloak, Red Hat Build of Podman Desktop, Red Hat Build of Podman Desktop - Tech Preview, Red Hat Connectivity Link 1, Red Hat Data Grid 8, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat Fuse 7, Red Hat JBoss Enterprise Application Platform 8, Red Hat JBoss Enterprise Application Platform Expansion Pack, Red Hat OpenShift AI (RHOAI), Red Hat OpenShift Container Platform 4, Red Hat OpenShift Virtualization 4, Red Hat Quay 3, Red Hat Satellite 6, Red Hat Self-service automation portal 2
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| npm | ws | 8.20.1 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | airflow-2 | no fix |
| Chainguard | airflow-core-2 | no fix |
| Chainguard | arangodb-3.11 | 3.11.14.4-r12 |
| Chainguard | arangodb-3.12 | 3.12.9.4-r11 |
| Chainguard | argo-workflows-ui-3.6 | 3.6.19-r7 |
| Chainguard | argo-workflows-ui-3.7 | 3.7.14-r4 |
| Chainguard | code-server | 4.121.0-r0 |
| Chainguard | commercial-gitlab-rails-ee-19.1 | 19.1.7-r3 |
| Chainguard | commercial-gitlab-rails-ee-19.2 | 19.2.7-r1 |
| Chainguard | commercial-gitlab-rails-ee-19.3 | 19.3.3-r1 |
| Chainguard | commercial-gitlab-rails-ee-fips-19.1 | 19.1.9-r0 |
| Chainguard | commercial-gitlab-rails-ee-fips-19.2 | 19.2.7-r1 |
| Chainguard | commercial-gitlab-rails-ee-fips-19.3 | 19.3.3-r1 |
| Chainguard | drupal-11.3 | 11.3.13-r3 |
| Chainguard | gemini-cli | 0.49.0-r4 |
| Chainguard | gitlab-rails-ce-18.1 | no fix |
| Chainguard | gitlab-rails-ce-18.10 | no fix |
| Chainguard | gitlab-rails-ce-18.11 | 18.11.13-r0 |
| Chainguard | gitlab-rails-ce-18.5 | no fix |
| Chainguard | gitlab-rails-ce-18.6 | no fix |
| Chainguard | gitlab-rails-ce-18.7 | no fix |
| Chainguard | gitlab-rails-ce-18.8 | no fix |
| Chainguard | gitlab-rails-ce-18.9 | no fix |
| Chainguard | gitlab-rails-ce-19.0 | 19.0.10-r0 |
| Chainguard | gitlab-rails-ce-19.0 | 19.0.3-r1 |
| Chainguard | gitlab-rails-ce-19.1 | 19.1.7-r6 |
| Chainguard | gitlab-rails-ce-19.2 | 19.2.5-r2 |
| Chainguard | gitlab-rails-ce-19.3 | 19.3.1-r6 |
| Chainguard | gitlab-rails-ce-fips-18.1 | 18.1.6-r15 |
| Chainguard | gitlab-rails-ce-fips-18.1 | no fix |
| Chainguard | gitlab-rails-ce-fips-18.10 | 18.10.8-r8 |
| Chainguard | gitlab-rails-ce-fips-18.11 | 18.11.12-r2 |
| Chainguard | gitlab-rails-ce-fips-18.5 | no fix |
| Chainguard | gitlab-rails-ce-fips-18.6 | no fix |
| Chainguard | gitlab-rails-ce-fips-18.7 | no fix |
| Chainguard | gitlab-rails-ce-fips-18.8 | no fix |
| Chainguard | gitlab-rails-ce-fips-18.9 | 18.9.8-r8 |
| Chainguard | gitlab-rails-ce-fips-19.0 | 19.0.9-r3 |
| Chainguard | gitlab-rails-ce-fips-19.1 | 19.1.1-r1 |
| Chainguard | gitlab-rails-ce-fips-19.1 | 19.1.7-r6 |
| Chainguard | homepage | 1.13.2-r0 |
| Chainguard | jupyter-base-notebook | 7.6.3-r2 |
| Chainguard | katib-earlystopping | 0.19.0-r31 |
| Chainguard | katib-suggestion-goptuna-compat | no fix |
| Chainguard | katib-suggestion-hyperband | 0.19.0-r31 |
| Chainguard | katib-suggestion-hyperopt | 0.19.0-r31 |
| Chainguard | katib-suggestion-hyperopt | 0.19.0-r40 |
| Chainguard | katib-suggestion-nas-darts | 0.19.0-r31 |
| Chainguard | katib-suggestion-nas-enas | 0.19.0-r31 |
| Chainguard | katib-suggestion-optuna-enas | 0.19.0-r31 |
| Chainguard | katib-suggestion-pbt-enas | 0.19.0-r31 |
| Chainguard | katib-suggestion-skopt-enas | 0.19.0-r31 |
| Chainguard | katib-tfevent-metricscollector | 0.19.0-r31 |
| Chainguard | kibana-7 | no fix |
| Chainguard | kibana-8.17 | 8.17.10-r22 |
| Chainguard | kibana-8.17-bitnami | 8.17.10-r22 |
| Chainguard | kibana-8.17-iamguarded | 8.17.10-r22 |
| Chainguard | kibana-8.19 | 8.19.16-r0 |
| Chainguard | kibana-8.19-bitnami | 8.19.16-r0 |
| Chainguard | kibana-8.19-iamguarded | 8.19.16-r0 |
| Chainguard | kibana-9.0 | 9.0.8-r26 |
| Chainguard | kibana-9.0-bitnami | 9.0.8-r26 |
| Chainguard | kibana-9.0-iamguarded | 9.0.8-r26 |
| Chainguard | kibana-9.1 | 9.1.10-r19 |
| Chainguard | kibana-9.1-iamguarded | 9.1.10-r19 |
| Chainguard | kibana-9.2 | 9.2.8-r4 |
| Chainguard | kibana-9.2-iamguarded | 9.2.8-r4 |
| Chainguard | kibana-9.3 | 9.3.4-r4 |
| Chainguard | kibana-9.3-iamguarded | 9.3.4-r4 |
| Chainguard | kibana-9.4 | 9.4.2-r0 |
| Chainguard | kibana-9.4-iamguarded | 9.4.2-r0 |
| Chainguard | kubeflow-pipelines-frontend | 2.16.1-r3 |
| Chainguard | langfuse-2-worker | 2.95.12-r23 |
| Chainguard | langfuse-3-worker | 3.175.0-r0 |
| Chainguard | langfuse-fips-2-worker | 2.95.12-r25 |
| Chainguard | langfuse-fips-3-worker | 3.175.0-r0 |
| Chainguard | opensearch-dashboards-3-dashboards-observability | 3.6.0-r5 |
| Chainguard | opensearch-dashboards-3-fips-dashboards-observability | 3.6.0-r7 |
| Chainguard | py3.10-jupyterlab | 4.6.1-r1 |
| Chainguard | py3.11-jupyterlab | 4.6.1-r1 |
| Chainguard | py3.12-jupyterlab | 4.6.1-r1 |
| Chainguard | py3.13-jupyterlab | 4.6.1-r1 |
| Chainguard | redisinsight | 3.4.2-r3 |
| Chainguard | tensorflow-cpu-jupyter | 2.21.0-r8 |
| Chainguard | tensorflow-gpu-jupyter | 2.21.0-r12 |
| Chainguard | vitess-22 | no fix |
| Chainguard | vitess-23 | 23.0.4-r5 |
| Chainguard | wazuh-dashboard-plugins-fips | 4.14.4-r3 |
| Debian 12 | node-ws | no fix |
| Debian 13 | node-ws | no fix |
| Debian 14 | node-ws | 8.20.1+~cs14.19.1-1 |
| Red Hat Enterprise Linux 10.2 | rh-podman-desktop | 0:1.1.2-1.el10_2 |
| Red Hat hummingbird 1 | dotnet-sdk-10.0 | 0:10.0.109-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-10.0-source-built-artifacts | 0:10.0.109-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-8.0 | 0:8.0.128-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-8.0-source-built-artifacts | 0:8.0.128-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-9.0 | 0:9.0.118-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-9.0-source-built-artifacts | 0:9.0.118-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-aot-10.0 | 0:10.0.109-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-aot-9.0 | 0:9.0.118-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-dbg-10.0 | 0:10.0.109-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-dbg-8.0 | 0:8.0.128-1.hum1 |
| Red Hat hummingbird 1 | dotnet-sdk-dbg-9.0 | 0:9.0.118-1.hum1 |
| Red Hat hummingbird 1 | dotnet-templates-10.0 | 0:10.0.109-1.hum1 |
| Red Hat hummingbird 1 | dotnet-templates-8.0 | 0:8.0.128-1.hum1 |
| Red Hat hummingbird 1 | dotnet-templates-9.0 | 0:9.0.118-1.hum1 |
| Red Hat hummingbird 1 | dotnet10.0 | 0:10.0.109-1.hum1 |
| Red Hat hummingbird 1 | dotnet8.0 | 0:8.0.128-1.hum1 |
| Red Hat hummingbird 1 | dotnet9.0 | 0:9.0.118-1.hum1 |
| Red Hat hummingbird 1 | netstandard-targeting-pack-2.1 | 0:9.0.118-1.hum1 |
| Red Hat hummingbird 1 | yarnpkg | 0:1.22.22-18.1.hum1 |
| Ubuntu 16.04 LTS | node-ws | no fix |
| Ubuntu 18.04 LTS | node-ws | no fix |
| Ubuntu 20.04 LTS | node-ws | no fix |
| Ubuntu 22.04 LTS | node-ws | no fix |
| Ubuntu 24.04 LTS | node-ws | no fix |
| Ubuntu 25.10 | node-ws | no fix |
| Ubuntu 26.04 LTS | node-ws | no fix |
| Ubuntu 26.10 | node-ws | no fix |
| Wolfi | argo-workflows-ui-3.7 | 3.7.14-r4 |
| Wolfi | code-server | 4.121.0-r0 |
| Wolfi | jupyter-base-notebook | 7.6.3-r2 |
| Wolfi | katib-earlystopping | 0.19.0-r31 |
| Wolfi | katib-suggestion-goptuna-compat | no fix |
| Wolfi | katib-suggestion-hyperband | 0.19.0-r31 |
| Wolfi | katib-suggestion-hyperopt | 0.19.0-r31 |
| Wolfi | katib-suggestion-hyperopt | 0.19.0-r40 |
| Wolfi | katib-suggestion-nas-darts | 0.19.0-r31 |
| Wolfi | katib-suggestion-nas-enas | 0.19.0-r31 |
| Wolfi | katib-suggestion-optuna-enas | 0.19.0-r31 |
| Wolfi | katib-suggestion-pbt-enas | 0.19.0-r31 |
| Wolfi | katib-suggestion-skopt-enas | 0.19.0-r31 |
| Wolfi | katib-tfevent-metricscollector | 0.19.0-r31 |
| Wolfi | kubeflow-pipelines-frontend | 2.16.1-r3 |
| Wolfi | langfuse-3-worker | 3.175.0-r0 |
| Wolfi | opensearch-dashboards-3-dashboards-observability | 3.6.0-r5 |
| Wolfi | py3.10-jupyterlab | 4.6.1-r1 |
| Wolfi | py3.11-jupyterlab | 4.6.1-r1 |
| Wolfi | py3.12-jupyterlab | 4.6.1-r1 |
| Wolfi | py3.13-jupyterlab | 4.6.1-r1 |
| Wolfi | vitess-23 | 23.0.4-r5 |
| openSUSE Leap 16.0 | kimi-code | 0.42.0-bp160.1.1 |
| openSUSE Tumbleweed | kimi-code | 0.41.0-1.1 |
| openSUSE Tumbleweed | zcode | 3.14.3-1.1 |