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.

References

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

https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157

Details

Source: Mitre, NVD

Published: 2026-07-22

Updated: 2026-08-06

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H