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Fencer Intel
medium 5.9

CVE-2018-10850 json

389-ds-base before versions 1.4.0.10, 1.3.8.3 is vulnerable to a race condition in the way 389-ds-base handles persistent search, resulting…

published 8y ago modified 4mo ago also EUVD-2018-2919

cvss
5.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

389-ds-base before versions 1.4.0.10, 1.3.8.3 is vulnerable to a race condition in the way 389-ds-base handles persistent search, resulting in a crash if the server is under load. An anonymous attacker could use this flaw to trigger a denial of service.

Patch / fix

  • fedoraproject 389_directory_server 1.4.0.10
  • 389-ds-base Debian 13, Debian 12 1.4.0.15-1

debian advisories DEBIAN-CVE-2018-10850

  • 389-ds-base RHEL 7 1.3.7.5-28.el7_5
  • 389-ds-base-libs RHEL 7 1.3.7.5-28.el7_5
  • 389-ds-base-snmp RHEL 7 1.3.7.5-28.el7_5

red hat advisories RHSA-2018:2757

  • 389-ds SLE Module for Server Applications 15 SP1, SLE Module for Server Applications 15 1.4.0.3-4.7.52

suse advisories SUSE-SU-2019:1207-2SUSE-SU-2019:1207-1

  • 389-ds openSUSE Tumbleweed 2.0.10~git0.21dd2802c-1.1
  • 389-ds openSUSE Leap 15.0 1.4.0.3-lp150.3.3.1

opensuse advisories openSUSE-SU-2024:10593-1openSUSE-SU-2019:1397-1

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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-2018-10850 updated cvss 5.9

389-ds-base: race condition on reference counter leads to DoS using persistent search

  • Red Hat Enterprise Linux 6 389-ds-base, 389-ds-base-libs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client Optional (v. 7) 389-ds-base 1.3.7.5-28.el7_5, 389-ds-base-libs 1.3.7.5-28.el7_5, 389-ds-base-snmp 1.3.7.5-28.el7_5 Red Hat Enterprise Linux ComputeNode Optional (v. 7) 389-ds-base 1.3.7.5-28.el7_5, 389-ds-base-libs 1.3.7.5-28.el7_5, 389-ds-base-snmp 1.3.7.5-28.el7_5 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) 389-ds-base 1.3.7.5-28.el7_5, 389-ds-base-libs 1.3.7.5-28.el7_5 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) 389-ds-base 1.3.7.5-28.el7_5, 389-ds-base-libs 1.3.7.5-28.el7_5, 389-ds-base-snmp 1.3.7.5-28.el7_5 Red Hat Enterprise Linux Server (v. 7) 389-ds-base 1.3.7.5-28.el7_5, 389-ds-base-libs 1.3.7.5-28.el7_5 Red Hat Enterprise Linux Server Optional (v. 7) 389-ds-base 1.3.7.5-28.el7_5, 389-ds-base-libs 1.3.7.5-28.el7_5, 389-ds-base-snmp 1.3.7.5-28.el7_5
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) 389-ds-base 1.3.7.5-28.el7_5, 389-ds-base-libs 1.3.7.5-28.el7_5 Red Hat Enterprise Linux Workstation Optional (v. 7) 389-ds-base-snmp 1.3.7.5-28.el7_5
    fixed: vendor fix RHSA-2018:2757
  • 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
    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

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

  • [UNKNOWN] 389-ds-base

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Intel 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.