CVE-2026-11790

4.9 mediumEPSS 0.3%

Medium (4.9) in redhat. EPSS 0.3% chance of exploitation in the next 30 days.

A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password storage plugin does not enforce an upper bound on the iteration count extracted from stored password hashes. A privileged attacker who can modify a user's password hash can cause excessive CPU consumption during authentication, resulting in denial of service.

Severity

CVSS 3.1

4.9 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2026-06-09
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

redhat:389_directory_server
redhat:directory_server
redhat:enterprise_linux

References

https://access.redhat.com/security/cve/CVE-2026-11790
https://bugzilla.redhat.com/show_bug.cgi?id=2485421

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