CVE-2026-48029

CVE-2026-48029 affects libheif: heap OOB read in ImageItem_Grid::decode_grid_tile due to irot-induced tile-coordinate underflow. Affected versions are 1.19.0–1.21.2; fixed in 1.22.0. Several connected advisories (NVD, Debian, Ubuntu, Amazon Linux, OSV, etc.) cite this along with related issues. R...