🛡️ CVE-2026-5121
🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-190 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-190
Public Exploit ✅ No
Source NVD
Published 2026-03-30
Updated 2026-06-11
Modified 2026-06-10

Affected Packages

Software From version Fixed in
enterprise-linux
hardened-images
libarchive
openshift-container-platform

References

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