VDB
CVE-2026-54411
CVE-2026-54411
PUBLISHED
CVSS 6.9 MEDIUM
Reported by TuranSec · Published June 14, 2026
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.
Risk Scores
CVSS 4.0
6.9
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/AU:N/V:D
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux-PAM | Linux-PAM | 0 |
| Linux-PAM | Linux-PAM | 0, 0, 0 |
Timeline
- Jun 14, 2026 CVE Published
- Jun 15, 2026 EPSS Score
- Aug 7, 2026 EPSS Score
- Aug 10, 2026 CVE Updated
- Aug 18, 2026 Distribution Patch
- Aug 18, 2026 Security Advisory
- Aug 25, 2026 Distribution Patch
- Aug 25, 2026 Security Advisory
- Aug 25, 2026 Distribution Patch
- Aug 25, 2026 Security Advisory