UBUNTU-CVE-2026-3950
- Source
- https://ubuntu.com/security/CVE-2026-3950
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3950.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-3950
- Upstream
- Published
- 2026-03-11T20:16:00Z
- Modified
- 2026-04-22T16:32:29.082692Z
- 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
- 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 identified in strukturag libheif up to 1.21.2. This impacts the function Track::load of the file libheif/sequences/track.cc of the component stsz/stts. The manipulation leads to out-of-bounds read. The attack needs to be performed locally. The exploit is publicly available and might be used. Applying a patch is the recommended action to fix this issue. The patch available is inofficial and not approved yet.
- References
Affected packages
Ubuntu:25.10 / libheif
Package
- Name
- libheif
- Purl
- pkg:deb/ubuntu/libheif@1.20.2-1ubuntu0.3?arch=source&distro=questing
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Ecosystem specific
{
"binaries": [
{
"binary_name": "heif-gdk-pixbuf",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "heif-thumbnailer",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "heif-view",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-examples",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-aomdec",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-aomenc",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-dav1d",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-ffmpegdec",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-j2kdec",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-j2kenc",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-jpegdec",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-jpegenc",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-kvazaar",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-libde265",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-rav1e",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-svtenc",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugin-x265",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif-plugins-all",
"binary_version": "1.20.2-1ubuntu0.3"
},
{
"binary_name": "libheif1",
"binary_version": "1.20.2-1ubuntu0.3"
}
]
}