CVE-2002-1215: Linux-Ha Heartbeat

High severity, CVSS 10.0. EPSS: 6.3% chance of exploitation in the next 30 days.

Multiple format string vulnerabilities in heartbeat 0.4.9 and earlier (claimed as buffer overflows in some sources) allow remote attackers to execute arbitrary code via certain packets to UDP port 694 (incorrectly claimed as TCP in some sources).

Affected products

• Linux-Ha Heartbeat: up to and including 0.4.9

Published 2002-10-28. Last modified 2026-06-16.