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Medium RHSA-2026:61227 1 CVE

Red Hat Security Advisory: pam security update

Published Aug 31, 2026 · Updated Oct 14, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · RHEL 7 ELS rhel_els:7 pam 0:1.1.8-23.el7_9.3
Red Hat · RHEL 7 ELS rhel_els:7 pam-debuginfo 0:1.1.8-23.el7_9.3
Red Hat · RHEL 7 ELS rhel_els:7 pam-devel 0:1.1.8-23.el7_9.3

Vulnerabilities 1

  • Medium 5.9
    CVE-2026-54411

    Linux-PAM pam_userdb Observable Timing Discrepancy in Plaintext Password Comparison

    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 authenticati…

    Linux-PAM Linux-PAM pam pam Linux Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2488766
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_61227.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-54411
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-54411
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-54411
  • article
    https://cwe.mitre.org/data/definitions/208.html
  • article
    https://github.com/linux-pam/linux-pam
  • article
    https://github.com/linux-pam/linux-pam/blob/master/libpam/include/pam_inline.h
  • article
    https://github.com/linux-pam/linux-pam/blob/master/modules/pam_userdb/pam_userdb.c#L327