CVE-2026-45736

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.
Configurations

Configuration 1 (hide)

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

History

10 Jul 2026, 12:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:37272 -

09 Jul 2026, 13:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:36754 -
  • () https://access.redhat.com/errata/RHSA-2026:36820 -

02 Jul 2026, 12:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:34374 -

01 Jul 2026, 13:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:33574 -

30 Jun 2026, 03:20

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:26638 -
  • () https://access.redhat.com/errata/RHSA-2026:26994 -
  • () https://access.redhat.com/errata/RHSA-2026:27171 -
  • () https://access.redhat.com/errata/RHSA-2026:29197 -
  • () https://access.redhat.com/errata/RHSA-2026:7655 -
  • () https://access.redhat.com/security/cve/CVE-2026-45736 -
  • () https://bugzilla.redhat.com/show_bug.cgi?id=2477914 -
  • () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45736.json -
CWE CWE-824

19 May 2026, 14:39

Type Values Removed Values Added
First Time Ws Project
Ws Project ws
CPE cpe:2.3:a:ws_project:ws:*:*:*:*:*:node.js:*:*
References () https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086 - () https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086 - Patch
References () https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx - () https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx - Exploit, Patch, Vendor Advisory

16 May 2026, 02:16

Type Values Removed Values Added
References () https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx - () https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx -

15 May 2026, 15:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-15 15:16

Updated : 2026-07-20 12:19


NVD link : CVE-2026-45736

Mitre link : CVE-2026-45736

CVE.ORG link : CVE-2026-45736


JSON object : View

Products Affected

ws_project

  • ws
CWE
CWE-908

Use of Uninitialized Resource

CWE-824

Access of Uninitialized Pointer