CVE-2026-48029
HIGH
NVD
CVSS Score
7.1
Severity
HIGH
Published
Jul 22, 2026
Vendor
unknown
Description
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.