CVE-2026-48029

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.

Score

CVSS 3.1 7.1 High

Status

Analyzed - security-advisories@github.com

Published

2026-07-22

Last modified

2026-10-24

Weaknesses

CWE-125, CWE-191

Affected products

• Libheif (Struktur)
• Libheif (Strukturag)

References

• https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv
• https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157