CVE-2026-48029

PoC —

CVSS 3.1

7.1 high

EPSS

<1%p23

Published

Jul 22, 2026 (Jul 22, 2026)

Modified

Aug 6, 2026

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.

Vendors: struktur
Products: libheif
Weakness: CWE-125, CWE-191
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news0 stories

No ingested article mentions this CVE yet.