libheif-cve-2026-50142

CVE-2026-50142 — libheif Unbounded heap allocation in HEIF sequence parser stsz fixed-size mode Severity: High CVSS 7.5 Advisory: GHSA-jvmp-j3cw-84mh Fixed: commit a6caa38 by @farindk Time to fix: 1 hour Summary A 1,477-byte crafted HEIF file triggers 7 GB unchecked heap allocation in Chunk::Chun...

CVE-2026-50142

A flaw was found in libheif, a HEIF and AVIF file format decoder and encoder. A remote attacker can provide a specially crafted HEIF sequence that triggers an unbounded heap allocation. This occurs because the HEIF sequence parser's fixed-size mode is missing a bound check, and an integer...

USN-8526-1: libheif vulnerabilities

Xianrui Dong discovered that libheif had an out-of-bounds read in its HEIF sequence track parser. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. This issue only affected Ubuntu 26.04 LTS. CVE-2026-47254 Junyi Liu discovered that libheif had...

USN-8526-1 libheif vulnerabilities

Xianrui Dong discovered that libheif had an out-of-bounds read in its HEIF sequence track parser. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. This issue only affected Ubuntu 26.04 LTS. CVE-2026-47254 Junyi Liu discovered that libheif had...

Libheif 1.19.x < 1.23.0 DoS (macOS)

According to its self-reported version, libheif on the remote host is affected by a denial of service vulnerability. A crafted HEIF sequence file can cause libheif to perform unbounded heap allocation due to a missing bound check in the stsz fixed-size mode of the HEIF sequence parser, leading to...

MessagePack for Java Vulnerable to Remote DoS via Malicious EXT Payload Allocation

Summary Affected Components: org.msgpack.core.MessageUnpacker.readPayload org.msgpack.core.MessageUnpacker.unpackValue org.msgpack.value.ExtensionValue.getData A denial-of-service vulnerability exists in MessagePack for Java when deserializing .msgpack files containing EXT32 objects with...