VULNERABILITY INTELLIGENCE
CVE-2026-5121
CVSS score7.5 HIGH
EPSS probability1.09%
CISA KEVNot currently listed
Published2026-03-30
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
Weakness classification
- secalert@redhat.com: CWE-190
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-190