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Vulnerability record · CVE-2026-11611 · published 8 June 2026

CVE-2026-11611: Redhat directory server uncontrolled resource consumption vulnerability

Redhat · Directory Server

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.

6.5 CVSS 3.1 Medium EPSS 0.24% · top 86.0% CWE-400 · Uncontrolled resource consumption
6.5CVSS 3.1 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
23 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-11611 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2485424 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-11611), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.