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CVE-2018-1054

26
FAUCET Score

CVE-2018-1054 describes an out-of-bounds memory read vulnerability in 389-ds-base, affecting all versions including 1.4.x, and impacting Fedora and Red Hat Enterprise Linux products. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending a specially crafted LDAP search filter, causing the ns-slapd service to crash. Rated with a CVSS score of 7.5 (HIGH), the attack requires no user interaction and has low complexity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.0.6CPE matchmatch criteria
cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
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
4.65%
Probability of exploitation in next 30 days
EPSS Percentile
90.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0465 is in the 84th 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 6Fixed in: 389-ds-base-0:1.2.11.15-94.el6_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: 389-ds-base-0:1.3.6.1-28.el7_4
View patch

Vendor Advisories (1)

redhatCVE-2018-1054Important

389-ds-base: remote Denial of Service (DoS) via search filters in SetUnicodeStringFromUTF_8 in collate.c

Mar 5, 2018

References

access.redhat.com / errata/RHSA-2018:0414
Third Party Advisory
access.redhat.com / errata/RHSA-2018:0515
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
lists.debian.org / debian-lts-announce/2018/07/msg00018.html
pagure.io / 389-ds-base/issue/49545
Vendor Advisory
securityfocus.com / bid/103228
Third Party AdvisoryVDB Entry