CVE-2016-4579: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 3.3% chance of exploitation in the next 30 days.

Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via unspecified vectors, related to the "returned length of the object from _ksba_ber_parse_tl."

Affected products

  • Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only; version 16.04 only
  • Gnupg Libksba: up to and including 1.3.3
  • Opensuse Leap: version 42.1 only

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