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Vulnerability · Published Feb 6, 2026 · Assigned by VulDB

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

Low 3.3

In plain English

A low-severity null pointer dereference in libuvc. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 88.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libuvcno fix listedDEBIAN-CVE-2026-1991
Debian:13libuvcno fix listedDEBIAN-CVE-2026-1991
Debian:14libuvcno fix listedDEBIAN-CVE-2026-1991
Ubuntu:22.04:LTSlibuvcno fix listedUBUNTU-CVE-2026-1991
Ubuntu:24.04:LTSlibuvcno fix listedUBUNTU-CVE-2026-1991
Ubuntu:25.10libuvcno fix listedUBUNTU-CVE-2026-1991
Ubuntu:26.04:LTSlibuvcno fix listedUBUNTU-CVE-2026-1991
Ubuntu:26.10libuvcno fix listedUBUNTU-CVE-2026-1991

Affected products (as reported)

VendorProductVersions
n/a libuvc 0.0.10.0.20.0.30.0.40.0.50.0.60.0.7

Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

References