CVE-2009-1384: Eyrie Pam-KRB5

Medium severity, CVSS 5.0. EPSS: 2.9% chance of exploitation in the next 30 days.

pam_krb5 2.2.14 through 2.3.4, as used in Red Hat Enterprise Linux (RHEL) 5, generates different password prompts depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

Affected products

• Eyrie Pam-KRB5: version 2.2.14 only; version 2.3 only; version 2.3.4 only

Published 2009-05-28. Last modified 2026-06-16.