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CVE-2026-5121

7.5 HIGH

A flaw was found in libarchive

Published: 2026-03-30 · Last updated: 2026-06-10

Severity and scoring

CVSS
7.5 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-190

Affected products

VendorProduct
libarchiveenterprise_linux, hardened_images, libarchive
redhatenterprise_linux, hardened_images, libarchive

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.

Source: NVD

References

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