7.5

CVE-2026-45736

Exploit

ws: Uninitialized memory disclosure

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Ws Project ≫ Ws SwPlatformnode.js Version >= 8.0.0 < 8.20.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.72% 0.492
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
security-advisories@github.com 4.4 0.7 3.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-824 Access of Uninitialized Pointer

The product accesses or uses a pointer that has not been initialized.

CWE-908 Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.

https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086
Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2477914
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45736.json
https://access.redhat.com/errata/RHSA-2026:33574
https://access.redhat.com/errata/RHSA-2026:29197
https://access.redhat.com/errata/RHSA-2026:34374
https://access.redhat.com/errata/RHSA-2026:36820
https://access.redhat.com/errata/RHSA-2026:36754
https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx
Patch
Vendor Advisory
Exploit
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-2026:7655
https://access.redhat.com/security/cve/CVE-2026-45736