CVE-2025-32464: Haproxy

Medium severity, CVSS 6.8. EPSS: 0.8% chance of exploitation in the next 30 days.

HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has a sample_conv_regsub heap-based buffer overflow because of mishandling of the replacement of multiple short patterns with a longer one.

Affected products

• Haproxy Haproxy: from 2.2, up to and including 3.1.6

Published 2025-04-09. Last modified 2026-06-17.