CVE-2026-5121

Name of the Vulnerable Software and Affected Versions libarchive (affected versions not specified)

Description An integer overflow exists in the zisofs block pointer allocation logic on 32-bit systems. A remote attacker can exploit this by providing a specially crafted ISO9660 image, potentially leading to a heap buffer overflow and arbitrary code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.