CVE-2016-5360: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 42.8% chance of exploitation in the next 30 days.

HAproxy 1.6.x before 1.6.6, when a deny comes from a reqdeny rule, allows remote attackers to cause a denial of service (uninitialized memory access and crash) or possibly have unspecified other impact via unknown vectors.

Affected products

• Canonical Ubuntu Linux: version 16.04 only
• Haproxy Haproxy: version 1.6.0 only; version 1.6.1 only; version 1.6.2 only; version 1.6.3 only; version 1.6.4 only; version 1.6.5 only

Published 2016-06-30. Last modified 2026-06-17.