RHSA-2026:64815 — Security Advisory

An update for pam is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Pluggable Authentication Modules (PAM) provide a system to set up authentication policies without the need to recompile programs to handle authentication.

Security Fix(es):

• linux-pam: Plaintext password recovery via timing discrepancy in pam_userdb module (CVE-2026-54411)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE age(s) listed in the References section.