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

4.9MEDIUM

Key Information:

Vendor: Red Hat
Status: Red Hat Directory Server 11; Red Hat Directory Server 12; Red Hat Directory Server 13; Red Hat Enterprise Linux 10
Vendor: CVE Published:; 9 June 2026

What is CVE-2026-11789?

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.