CVE-2026-54411 Affecting pam-debuginfo package, versions <0:1.5.1-28.el9_8.1


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.32% (25th percentile)

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  • Snyk IDSNYK-ROCKY9-PAMDEBUGINFO-19661455
  • published10 Sept 2026
  • disclosed14 Jun 2026

Introduced: 14 Jun 2026

CVE-2026-54411  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 pam-debuginfo to version 0:1.5.1-28.el9_8.1 or higher.
This issue was patched in RLSA-2026:64815.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pam-debuginfo package and not the pam-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

Linux-PAM through 1.7.2 contains an observable timing discrepancy (CWE-208) in the pam_userdb module's plaintext-password comparison path in modules/pam_userdb/pam_userdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the plaintext password of a target account by measuring response-timing differences.

CVSS Base Scores

version 3.1