Medium [CVE-2026-54411] Plaintext password recovery via timing discrepancy in pam_userdb module
This medium-severity Red Hat Linux advisory covers CVE-2026-54411 affecting pam-main, Red Hat Enterprise Linux.
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Summary
Plaintext password recovery via timing discrepancy in pam_userdb module. Red Hat rates this moderate (CVSS 4.8).
Weakness: CWE-208. Affected package(s): pam-main.
Resolved in Red Hat advisory RHSA-2026:35016 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux.
- pam-main-1.7.2-1.1.hum1
- pam-main-1.7.2-2.2.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:35016
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:35016 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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