CVE-2011-1779: Freebsd Libarchive

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Multiple use-after-free vulnerabilities in libarchive 2.8.4 and 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted (1) TAR archive or (2) ISO9660 image.

Affected products

• Freebsd Libarchive: version 2.8.4 only; version 2.8.5 only

Published 2012-04-13. Last modified 2026-06-16.