CVE-2026-84451
Public on 2026-09-04
Modified on 2026-09-04
Description
Incomplete fix for GHSA-73p7-m7gg-w2jv leaves libheif 1.23.1 vulnerable to an out-of-bounds read
NOTE: https://github.com/strukturag/libheif/security/advisories/GHSA-hh47-fhqr-cj2r
NOTE: https://github.com/strukturag/libheif/security/advisories/GHSA-hh47-fhqr-cj2r
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2023 | libheif | 2026-09-29 | ALAS2023-2026-3124 | Fixed |
| Amazon Linux 2027 Preview | libheif | 2026-09-28 | ALAS2027-2026-094 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |