CVE-2026-48029

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.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157	Patch
https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv	Mitigation Vendor Advisory Exploit
https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv	Mitigation Vendor Advisory Exploit

Configurations

Configuration 1 (hide)

cpe:2.3:a:struktur:libheif:*:*:*:*:*:*:*:*

History

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) libheif es un decodificador y codificador de formato de archivo HEIF y AVIF. Las versiones 1.19.0 a la 1.21.2 tienen una lectura fuera de límites (OOB) en el heap en ImageItem_Grid::decode_grid_tile a través de un subdesbordamiento de coordenadas de mosaico inducido por irot. La versión 1.22.0 corrige el problema.

Information

Published : 2026-07-22 15:17

Updated : 2026-10-24 13:10

NVD link : CVE-2026-48029

Mitre link : CVE-2026-48029

CVE.ORG link : CVE-2026-48029

JSON object : View

Products Affected

struktur

libheif

CWE

CWE-125

Out-of-bounds Read

CWE-191

Integer Underflow (Wrap or Wraparound)

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