CVE-2026-48029
High
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductStruktur Libheif
PublishedJul 22, 2026
First seenJul 22, 2026
Weakness typeCWE-125Out-of-bounds readCWE-191CWE-191
How to fix
Update
- struktur libheif1.22.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| struktur libheif | 1.19.0 ≤ v < 1.22.0 | 1.22.0 |
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