CVE-2026-11790
389-ds-base: 389-ds-base: pbkdf2 password storage plugin unbounded iteration count denial of service
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-400 |
| Vendor | red hat |
| Product | red hat directory server 11 |
| Published | Jun 9, 2026 |
| Last Updated | Jun 9, 2026 |
Stay Ahead of the Next One
Get instant alerts for red hat red hat directory server 11
Be the first to know when new medium vulnerabilities affecting red hat red hat directory server 11 are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
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
Affected Versions
Red Hat / Red Hat Directory Server 11
All versions affected Red Hat / Red Hat Directory Server 12
All versions affected Red Hat / Red Hat Directory Server 13
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected