CVE-2026-66401

LowCVSS 2.1/10Last modified Sep 3, 2026

Description

FreeRDP before 3.29.0 contains an out-of-bounds heap read vulnerability in the UVC H.264 extension-unit parser that fails to validate descriptor length before accessing the GUID field. A local attacker with a malicious USB video camera can trigger a heap read beyond allocated bounds during camera stream setup, causing denial of service.

Metrics

CVSS 3.1 2.1/10CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Aug 1, 2026
Last modified
Sep 3, 2026
NVD status
Analyzed

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CVE-2026-66401: Low severity, CVSS 2.1 | Vulnix