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CVE-2018-14624

22
FAUCET Score

CVE-2018-14624 is a denial-of-service vulnerability affecting 389-ds-base versions up to 1.3.7.10, 1.3.8.8, and 1.4.0.16, impacting Debian, Fedora, and Red Hat distributions. The flaw stems from improper handling of the error log file lock during re-opening, allowing an unauthenticated attacker to crash the slapd daemon by flooding it with modifications to a large DN. Rated High severity with a CVSS score of 7.5, this vulnerability has a low attack complexity and results in high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3.7.10CPE matchmatch criteria
cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
>= 1.3.8.0, <= 1.3.8.8CPE matchmatch criteria
cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
>= 1.4.0.0, <= 1.4.0.16CPE matchmatch criteria
cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.45%
Probability of exploitation in next 30 days
EPSS Percentile
82.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0245 is in the 69th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: 389-ds-base-0:1.3.7.5-28.el7_5
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: 389-ds-base

Vendor Advisories (1)

redhatCVE-2018-14624Moderate

389-ds-base: Server crash through modify command with large DN

Aug 31, 2018

References

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