PT-2026-42002 · Libheif+2 · Libheif+2

·

CVE-2026-32739

·

Published

2026-05-19

·

Updated

2026-07-06

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions libheif versions prior to 1.22.0
Description An issue in the HEIF and AVIF file format decoder and encoder allows a specially crafted 800-byte HEIF sequence file to trigger an infinite loop in the Box stts::get sample duration() function. This occurs during the file parsing stage upon opening the file, before any user interaction or image decoding takes place. The loop lacks an iteration limit or timeout, resulting in 100% CPU consumption and a Denial of Service (DoS) condition. Because the process remains active without crashing or logging errors, the issue may remain undetected by crash-based monitoring systems.
Recommendations Update to version 1.22.0.

Exploit

Fix

DoS

Infinite Loop

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-32739
ECHO-36D4-E1BA-8D3C
GHSA-J9G7-Q9HV-GQ8C
OPENSUSE-SU-2026:10878-1
OPENSUSE-SU-2026:20974-1
SUSE-SU-2026:22153-1
SUSE-SU-2026:2622-1
USN-8454-1

Affected Products

Linuxmint
Ubuntu
Libheif