CVE-2015-8931: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 2.1% chance of exploitation in the next 30 days.

Multiple integer overflows in the (1) get_time_t_max and (2) get_time_t_min functions in archive_read_support_format_mtree.c in libarchive before 3.2.0 allow remote attackers to have unspecified impact via a crafted mtree file, which triggers undefined behavior.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only; version 16.04 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Libarchive Libarchive: up to and including 3.1.901a
• Suse Linux Enterprise Desktop: version 12 only
• Suse Linux Enterprise Server: version 12 only
• Suse Linux Enterprise Software Development Kit: version 12 only

Published 2016-09-20. Last modified 2026-06-17.