UBUNTU-CVE-2026-1991

Source
https://ubuntu.com/security/CVE-2026-1991
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-1991
Upstream
Published
2026-02-06T06:15:00Z
Modified
2026-05-20T16:24:08.416262082Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 1.9 (Low) CVSS_V4 - 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 CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvcscanstreaming 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.

References

Affected packages

Ubuntu:18.04:LTS
libuvc

Package

Name
libuvc
Purl
pkg:deb/ubuntu/libuvc?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.0.6-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libuvc0",
            "binary_version": "0.0.6-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"
Ubuntu:20.04:LTS
libuvc

Package

Name
libuvc
Purl
pkg:deb/ubuntu/libuvc?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.0.6-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libuvc0",
            "binary_version": "0.0.6-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"
Ubuntu:22.04:LTS
libuvc

Package

Name
libuvc
Purl
pkg:deb/ubuntu/libuvc?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.0.6-1.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libuvc0",
            "binary_version": "0.0.6-1.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"
Ubuntu:24.04:LTS
libuvc

Package

Name
libuvc
Purl
pkg:deb/ubuntu/libuvc?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.0.6-2
0.0.7-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libuvc0",
            "binary_version": "0.0.7-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"
Ubuntu:25.10
libuvc

Package

Name
libuvc
Purl
pkg:deb/ubuntu/libuvc?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.0.7-2
0.0.7-3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libuvc0",
            "binary_version": "0.0.7-3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"
Ubuntu:26.04:LTS
libuvc

Package

Name
libuvc
Purl
pkg:deb/ubuntu/libuvc?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.0.7-3
0.0.7-4

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libuvc0",
            "binary_version": "0.0.7-4"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1991.json"