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CVE-2026-45736: ws: Uninitialized memory disclosure

Medium · CVSS 4.4 (CVSS 3.1)EPSS 0.74%, 54th percentilePublished Updated Assigner: GitHub_M

Description

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.

Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N · CWE-908

Tracked companies

BitbucketConfluence

Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.

Status incidents that name it

No tracked status incident names this CVE.

Affected vendors and products

Red Hat: Cryostat 4Red Hat: Gatekeeper 3Red Hat: OpenShift LightspeedRed Hat: OpenShift PipelinesRed Hat: OpenShift Service Mesh 2Red Hat: OpenShift Service Mesh 3Red Hat: Red Hat AMQ Broker 7.13.6Red Hat: Red Hat AMQ Broker 7.14.1Red Hat: Red Hat Ansible Automation Platform 2Red Hat: Red Hat build of Apache Camel for Spring Boot 4Red Hat: Red Hat build of Apache Camel - HawtIO 4Red Hat: Red Hat Build of KeycloakRed Hat: Red Hat Build of Podman DesktopRed Hat: Red Hat Build of Podman Desktop - Tech PreviewRed Hat: Red Hat Connectivity Link 1Red Hat: Red Hat Data Grid 8Red Hat: Red Hat Enterprise Linux AI (RHEL AI) 3Red Hat: Red Hat Fuse 7Red Hat: Red Hat Hardened ImagesRed Hat: Red Hat JBoss Enterprise Application Platform 8Red Hat: Red Hat JBoss Enterprise Application Platform Expansion PackRed Hat: Red Hat OpenShift AI (RHOAI)Red Hat: Red Hat OpenShift Container Platform 4Red Hat: Red Hat OpenShift Virtualization 4Red Hat: Red Hat Quay 3Red Hat: Red Hat Satellite 6Red Hat: Self-service automation portal 2websockets: ws

References

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