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CVE-2026-5121

HIGH CVSS: 7.5 Published: 2026-03-30 Modified: 2026-07-14

Description

A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflow. This could potentially allow for arbitrary code execution on the affected system.

Affected Platforms

Redhat Hardened ImagesRedhat Openshift Container PlatformRedhat Enterprise LinuxLibarchive Libarchive

Weakness Type

CWE-190, CWE-190

References