CVE-2026-48029CWE-125CWE-191

CVE-2026-48029

High · published July 22, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
28.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00359 · 28.5th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-07-22T19:17Z
Affected products (1)
ProductVersionsFixed in
struktur/libheif≥ 1.19.0, < 1.22.01.22.0
References (3)
https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157 · [email protected]https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv · [email protected]https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 22 JUL 14:13Z
    libheif: heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow
    cvelistv5