CVE-2026-11789 MEDIUM

CVE-2026-11789: 389-ds-base: 389-ds-base: smd5 password storage plugin salt length integer underflow crash

Vendor Red Hat
Product Red Hat Directory Server 11
Weakness CWE-191
Published June 9, 2026
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

4.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read that crashes the LDAP server during authentication.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 30, 2026 Record updated