389-ds-base: 389-ds-base: content sync plugin unbounded queue growth and race conditions
CVE-2026-11611

6.5MEDIUM

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:; 8 June 2026

What is CVE-2026-11611?

A flaw was found in 389 Directory Server. The Content Synchronization persistent search plugin allows unbounded memory growth when an authenticated client stops reading sync responses, enabling denial of service. Additional race conditions in plugin thread lifecycle can cause crashes during connection teardown or shutdown.