CVE-2008-0063: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 3.5% chance of exploitation in the next 30 days.

The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error message, which might allow remote attackers to obtain sensitive information, aka "Uninitialized stack values."

Affected products

• Apple Mac OS X: before 10.4.11 (fixed in 10.4.11); from 10.5.0, before 10.5.2 (fixed in 10.5.2)
• Apple Mac OS X Server: before 10.4.11 (fixed in 10.4.11); from 10.5.0, before 10.5.2 (fixed in 10.5.2)
• Canonical Ubuntu Linux: version 6.06 only; version 6.10 only; version 7.04 only; version 7.10 only
• Debian Debian Linux: version 3.1 only; version 4.0 only
• Fedoraproject Fedora: version 7 only; version 8 only
• Mit Kerberos 5: up to and including 1.6.3
• Opensuse Opensuse: version 10.2 only; version 10.3 only
• Suse Linux: version 10.1 only
• Suse Linux Enterprise Desktop: version 10 only
• Suse Linux Enterprise Server: version 10 only
• Suse Linux Enterprise Software Development Kit: version 10 only

Published 2008-03-19. Last modified 2026-06-16.