CVE-2026-11790

June 9, 2026, 2:42 p.m.

4.9
Medium

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.

Product(s) Impacted

Vendor Product Versions
Red Hat
  • 389 Directory Server
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a red_hat 389_directory_server / / / / / / / /

References

https://access.redhat.com/security/cve/CVE-2026-11790
https://bugzilla.redhat.com/show_bug.cgi?id=2485421
https://redhat.atlassian.net/browse/PSIRTSUPT-7600

Tags

[email protected]
CWE-400
2026-06-09
CVE-2026-11790

CVSS Score

4.9 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: HIGH
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: June 9, 2026, 2:16 p.m.
Last Modified: June 9, 2026, 2:42 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.