CVE-2015-8920: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 1.9% chance of exploitation in the next 30 days.

The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar file.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only; version 16.04 only
• Libarchive Libarchive: up to and including 3.1.901a
• Novell Suse Linux Enterprise Desktop: version 12.0 only
• Novell Suse Linux Enterprise Server: version 12.0 only
• Novell Suse Linux Enterprise Software Development Kit: version 12.0 only

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