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CVE-2026-5121

libarchive

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.

CVSS 9.8EPSS 1.073%Risk 1.07
View source
Published
2026-03-30 08:16:18
Affected versions
unknown
Type
Package
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Operating systems
Linux