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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.

PUBLISHED Reserved 2026-02-05 | Published 2026-02-06 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 4.8CVSS: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
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

NULL Pointer Dereference

Denial of Service

Timeline

2026-02-05:Advisory disclosed
2026-02-05:VulDB entry created
2026-02-07:VulDB entry last update

Credits

Oneafter (VulDB User) reporter

References

vuldb.com/?id.344509 (VDB-344509 | libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference) vdb-entry technical-description

vuldb.com/?ctiid.344509 (VDB-344509 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.743388 (Submit #743388 | libuvc v0.0.7 and master-branch NULL Pointer Dereference) third-party-advisory

github.com/libuvc/libuvc/issues/300 issue-tracking

github.com/oneafter/0104/blob/main/repro exploit

github.com/libuvc/libuvc/ product

cve.org (CVE-2026-1991)

nvd.nist.gov (CVE-2026-1991)

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