Description
A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password verification function uses standard memcmp() for comparing password hashes instead of a constant-time comparison function. A remote attacker could potentially use timing measurements of LDAP bind attempts to infer partial hash information, though practical exploitation is extremely difficult due to PBKDF2 computational overhead.
Metrics
CVSS 3.1 3.7/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Directory Server 11 | — |
| Red Hat | Red Hat Directory Server 12 | — |
| Red Hat | Red Hat Directory Server 13 | — |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 6 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
References
- https://access.redhat.com/security/cve/CVE-2026-15041Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2498022Issue Tracking, Vendor Advisory
Timeline
- Published
- Jul 8, 2026
- Last modified
- Nov 6, 2026
- NVD status
- Analyzed