CVE-2011-1777: Freebsd Libarchive

Medium severity, CVSS 6.8. EPSS: 4.2% chance of exploitation in the next 30 days.

Multiple buffer overflows in the (1) heap_add_entry and (2) relocate_dir functions in archive_read_support_format_iso9660.c in libarchive through 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ISO9660 image.

Affected products

• Freebsd Libarchive: up to and including 2.8.5; version 2.0 only; version 2.1 only; version 2.2 only; version 2.2.3 only; version 2.3 only; …

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