CVE-2026-11611
Medium
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Redhat Directory Server
PublishedJun 8, 2026
First seenJun 8, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat directory_server | 11.0, 12.0, 13.0 | — |
| redhat 389_directory_server | No range specified | — |
| redhat enterprise_linux | 7.0, 8.0, 9.0, 10.0 | — |
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