libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue.
Fix
Patch, vendor advisory and mitigation references on NVD 3
- https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157 Patch
- https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv Mitigation, Vendor Advisory, Exploit
- https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv Mitigation, Vendor Advisory, Exploit
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.1 · strukturNVD modified 2026-10-24 13:10
Affected (CPE criteria) 1
cpe:2.3:a:struktur:libheif:*:*:*:*:*:*:*:*
References 3
- https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157 Patch
- https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv Mitigation, Vendor Advisory, Exploit
- https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv Mitigation, Vendor Advisory, Exploit