CVE-2026-11789

Description

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.

CVSS Vector

References

• https://access.redhat.com/security/cve/CVE-2026-11789
• https://bugzilla.redhat.com/show_bug.cgi?id=2485422
• https://redhat.atlassian.net/browse/PSIRTSUPT-7600