CVE-2004-0642: Debian Linux

High severity, CVSS 7.5. EPSS: 8.3% chance of exploitation in the next 30 days.

Double free vulnerabilities in the error handling code for ASN.1 decoders in the (1) Key Distribution Center (KDC) library and (2) client library for MIT Kerberos 5 (krb5) 1.3.4 and earlier may allow remote attackers to execute arbitrary code.

Affected products

• Debian Debian Linux: version 3.0 only
• Mit Kerberos 5: up to and including 1.3.4
• Red Hat Enterprise Linux Desktop: version 3.0 only
• Red Hat Enterprise Linux Server: version 3.0 only
• Red Hat Enterprise Linux Workstation: version 3.0 only

Published 2004-09-28. Last modified 2026-06-16.