cvedb.io
CVE-2026-5121
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-03-30T08:16:18.780 · Last modified 2026-06-17T10:58:27.990

Summary

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

libarchive — libarchive

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.