CVE-2026-5121

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.

Score
CVSS 3.1 9.8 Critical
Status
Modified - secalert@redhat.com
Published
2026-03-30
Last modified
2026-10-14
Weaknesses
CWE-190

Affected products

References

 
 
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