SB20260120202 - Denial of service in libheif



SB20260120202 - Denial of service in libheif

Published: January 20, 2026

Security Bulletin ID SB20260120202
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2025-43966)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to NULL pointer dereference within the ImageItem_iden() function in image-items/iden.cc. A remote attacker can pass a specially crafted file to the application and perform a denial of service attack. 


Remediation

Install update from vendor's website.