CVE-2004-0434: Debian Linux

Critical severity, CVSS 9.8. EPSS: 7.2% chance of exploitation in the next 30 days.

k5admind (kadmind) for Heimdal allows remote attackers to execute arbitrary code via a Kerberos 4 compatibility administration request whose framing length is less than 2, which leads to a heap-based buffer overflow.

Affected products

• Debian Debian Linux: version 3.0 only
• Heimdal Project Heimdal: before 0.6.2 (fixed in 0.6.2)

Published 2004-07-07. Last modified 2026-06-16.