CVE-2026-84450

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
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
4.4
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 4.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L