CVE-2026-1991: A vulnerability was detected in libuvc up to 0.0.7

Q: How do I fix CVE-2026-1991?

libuvc: upgrade to newer than 0.0.7. Exact commands for each OS are on this page.

Q: Is CVE-2026-1991 being exploited?

CVE-2026-1991 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-1991 affect?

CVE-2026-1991 affects libuvc. Severity is low (CVSS 3.3). 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 a

Q: How urgent is CVE-2026-1991?

Priority 19/100. Public exploit reference

Routine

LOW 3.3UPGRADE

CVE-2026-1991 is a low-severity flaw (CVSS 3.3) affecting libuvc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-404, CWE-476
Published	2026-02-06
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: libuvc

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-06 06:15 UTCPublished CVE record published
2026-06-17 10:16 UTCUpdated Record last modified

libuvc libuvc UPGRADE

Affected: <= 0.0.7

Fixed in: newer than 0.0.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libuvc || rpm -q libuvc || libuvc --version

2. UPGRADE to newer than 0.0.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libuvc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libuvc

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-1991?

libuvc: upgrade to newer than 0.0.7. Exact commands for each OS are on this page.

Is CVE-2026-1991 being exploited?

CVE-2026-1991 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-1991 affect?

CVE-2026-1991 affects libuvc. Severity is low (CVSS 3.3). 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 a

How urgent is CVE-2026-1991?

Priority 19/100. Public exploit reference

References

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