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Vulnerability record · CVE-2018-14624 · published 6 September 2018

CVE-2018-14624: Fedoraproject 389 directory server improper input validation vulnerability

Fedoraproject · 389 Directory Server

A vulnerability was discovered in 389-ds-base through versions 1.3.7.10, 1.3.8.8 and 1.4.0.16. The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.

7.5 CVSS 3.0 High EPSS 2.4% · top 16.5% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
10References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was discovered in 389-ds-base through versions 1.3.7.10, 1.3.8.8 and 1.4.0.16. The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00033.html
https://access.redhat.com/errata/RHSA-2018:2757 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14624 ExploitIssue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00037.html Mailing ListThird Party Advisory
https://pagure.io/389-ds-base/issue/49937 ExploitVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00033.html
https://access.redhat.com/errata/RHSA-2018:2757 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14624 ExploitIssue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00037.html Mailing ListThird Party Advisory
https://pagure.io/389-ds-base/issue/49937 ExploitVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-14624), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.