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Fencer Vulns
medium 6.5

CVE-2026-11611 json

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

published 2026-06-08 5 mo ago modified 2026-11-05 3 d ago also EUVD-2026-35129

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

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.

Patch / fix

  • 389-ds SLES for SAP applications 16.0, SLES 16.0 3.0.6~git382.7a51ea5f5-160000.1.1
  • 389-ds SLE Module for Server Applications 15 SP7 2.7.0~git212.9b0755edb-150700.3.19.1
  • 389-ds SLES for SAP 15 SP5, SLES 15 SP5-LTSS, SLE High Performance Computing 15 SP5-LTSS +1 more 2.2.10~git255.752643c78-150500.3.48.1
  • 389-ds SLES for SAP 15 SP6, SLES 15 SP6-LTSS 2.2.10~git255.752643c78-150600.8.32.1

suse advisories SUSE-SU-2026:23574-1SUSE-SU-2026:3138-1SUSE-SU-2026:3137-1SUSE-SU-2026:3136-1

  • 389-ds openSUSE Leap 16.0 3.0.6~git382.7a51ea5f5-160000.1.1
  • 389-ds openSUSE Tumbleweed 3.2.2+4b41542b2-1.1

opensuse advisories openSUSE-SU-2026:21691-1openSUSE-SU-2026:11600-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-11611 updated cvss 6.5

389-ds-base: 389-ds-base: Content Sync plugin unbounded queue growth and race conditions

  • Red Hat Directory Server 11 389-ds-base 1.4.3.39-21.module+el8dsrv+24083+d25fcbb4 Red Hat Directory Server 12 389-ds-base 2.8.0-6.module+el9dsrv+24230+6f167244 Red Hat Directory Server 13 389-ds-base 3.2.0-5.el10dsrv Red Hat Enterprise Linux 7 389-ds-base, 389-ds-base-libs, 389-ds-base-snmp, 389-ds-base 3.2.0-5.el10dsrv Red Hat Enterprise Linux 8 389-ds-base, cockpit-389-ds, python3-lib389, 389-ds-base-libs, 389-ds-base-snmp, 389-ds-base-legacy-tools, +1 more Red Hat Enterprise Linux 9 389-ds-base, python3-lib389, 389-ds-base-libs, 389-ds-base-snmp, 389-ds-base 3.2.0-5.el10dsrv
    +1 more products
    Red Hat Enterprise Linux 10 389-ds-base 3.2.0-5.el10dsrv
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Enterprise Linux 6 389-ds-base, 389-ds-base-libs, 389-ds-base 3.2.0-5.el10dsrv
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Red Hat Red Hat Directory Server 11
  • Red Hat Red Hat Directory Server 12
  • Red Hat Red Hat Directory Server 13
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.