CVE-2026-11790
MEDIUM EPSS 26.4%
Published Jun 9, 20263w ago · Modified Jun 17, 20262w ago
4.9 CVSS 3.1
Published Jun 9, 2026 3w ago
Last Modified Jun 17, 2026 2w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
EPSS Exploit Probability
26.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-400 Uncontrolled Resource Consumption Resource Mgmt
Affected Products 8
References 3
- access.redhat.com https://access.redhat.com/security/cve/CVE-2026-11790
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2485421
- redhat.atlassian.net https://redhat.atlassian.net/browse/PSIRTSUPT-7600
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.