CVE-2013-5571: Hmailserver

Medium severity, CVSS 5.9. EPSS: 0.9% chance of exploitation in the next 30 days.

HMailServer 5.3.x and prior: Memory Corruption which could cause DOS

Affected products

• Hmailserver Hmailserver: up to and including 5.3.4

Published 2020-01-07. Last modified 2026-06-16.