CVE-2022-0918: PORT389 389-Ds-Base

High severity, CVSS 7.5. EPSS: 5.9% chance of exploitation in the next 30 days.

A vulnerability was discovered in the 389 Directory Server that allows an unauthenticated attacker with network access to the LDAP port to cause a denial of service. The denial of service is triggered by a single message sent over a TCP connection, no bind or other authentication is required. The message triggers a segmentation fault that results in slapd crashing.

Affected products

  • PORT389 389-Ds-Base: version 1.4.0 only
  • Red Hat Enterprise Linux: version 8.0 only

Published 2022-03-16. Last modified 2026-06-17.