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High severity7.5NVD Advisory· Published Mar 30, 2026· Updated May 14, 2026

CVE-2026-5121

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

8
  • Libarchive/Libarchive
    cpe:2.3:a:libarchive:libarchive:-:*:*:*:*:*:*:*
  • Red Hat/Hardened Images
    cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*
  • Red Hat/Openshift Container Platform
    cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
  • Red Hat/Enterprise Linux5 versions
    cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
    • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

30

News mentions

0

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