CVE-2026-5121

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 Products

• ▸Libarchive
• ▸Hardened Images
• ▸Openshift Container Platform
• ▸Enterprise Linux

CVSS Vector