6.5

CVE-2026-11611: redhat 389_directory_server Uncontrolled Resource Consumption

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-11611DEBIAN-CVE-2026-11611
Published 08-06-2026Last modified 30-06-2026
Open JSON

Vulnerability summary

CVE-2026-11611 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in redhat 389_directory_server. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.5% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
OPENSUSE-SU-2026:11600-1OPENSUSE-SU-2026:21691-1SUSE-SU-2026:23574-1SUSE-SU-2026:3136-1SUSE-SU-2026:3137-1SUSE-SU-2026:3138-1

Timeline

  1. 08-06-2026
    PublishedVulnerability first disclosed.
  2. 30-06-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat3 products
Debian1 product
  • 389-ds-baseAll versions (No fix recorded)
Ubuntu1 product
  • 389-ds-baseAll versions (No fix recorded)

3 vendors · 5 products

References

6 links