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VULNERABILITIES

CVE-2026-45736 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA: redhat-SADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:26638 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:26994 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:27171 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:29197 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:33574 redhat-SADP

see all 33 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-824Access of Uninitialized Pointerredhat-SADP
CWE-908Use of Uninitialized Resource[email protected]

Affected Products

ProductVersions
ws project ws
>= 8.0.0, < 8.20.1

CPE

  • cpe:2.3:a:ws_project:ws:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

35 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-45736
NVD Published Date:
May 15, 2026
NVD Last Modified:
Sep 11, 2026
Source:
[email protected]
CVE-2026-45736 Details - Not Deferred