Source: libarchive Version: 3.8.5-1 Severity: important Tags: security upstream Forwarded: https://github.com/libarchive/libarchive/pull/2934 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for libarchive. CVE-2026-5121[0]: | 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. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-5121 https://www.cve.org/CVERecord?id=CVE-2026-5121 [1] https://github.com/libarchive/libarchive/pull/2934 Please adjust the affected versions in the BTS as needed. Regards, Salvatore
