CVE-2026-49271

Description

libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.1, the uncompressed HEIF decoder validates explicit icef compressed-unit offsets using unit_offset + unit_size. Because the addition can wrap, a crafted HEIF file can pass the range check and then construct a vector from iterators outside the compressed item buffer, producing an out-of-bounds heap read and crash. Version 1.22.1 patches the issue.

Traduire en français

Produits concernés

• strukturag libheif
• Struktur libheif

Scores CVSS

Faiblesses (CWE)

• CWE-125

Références

• https://github.com/strukturag/libheif/security/advisories/GHSA-r7qj-cg5r-r6vf MitigationVendor Advisory
• https://github.com/strukturag/libheif/security/advisories/GHSA-r7qj-cg5r-r6vf MitigationVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories