CVE-2016-4355: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

Multiple integer overflows in ber-decoder.c in Libksba before 1.3.3 allow remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only
• Gnupg Libksba: up to and including 1.3.2

Published 2016-06-13. Last modified 2026-06-17.