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.
Affected products
struktur: libheif
References3
- github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qch… MitigationVendor AdvisoryExploit
- github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qch… MitigationVendor AdvisoryExploit
- github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159… Patch
Metrics
- CVSS 3.1
-
7.1
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H - EPSS — exploit probability
- 0% percentile: 30 · as of 14 November 2026
- CWE
- CWE-125CWE-191
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