CVE-2026-1991 MEDIUM

CVE-2026-1991: libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference

Vendor N/A
Product libuvc
Weakness CWE-476
Published February 6, 2026
Last update February 23, 2026

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Key dates

02Disclosure timeline

February 6, 2026 CVE published
February 23, 2026 Record updated