What is CVE-2018-1054?

CVE-2018-1054 is a high-severity vulnerability in Red Hat, Inc. 389-Ds-Base, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2018-03-07.

How severe is CVE-2018-1054?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-1054 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Red Hat, Inc. 389-Ds-Base

CVE-2018-1054

An out-of-bounds memory read flaw was found in the way 389-ds-base handled certain LDAP search filters, affecting all versions including 1.4.x. A remote, unauthenticated attacker could potentially use this flaw to make ns-slapd crash via a specially crafted LDAP request, thus resulting in denial of service.

Vulnerability class: Buffer Overflow

Published 2018-03-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.046 (91.5th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000

Affected products

Red Hat, Inc. 389-Ds-Base — versions all versions including upstream 1.4.x
Fedoraproject 389 Directory Server
Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
Red Hat Enterprise Linux Server — versions 6.0, 7.0, 7.4
Red Hat Enterprise Linux Workstation — versions 6.0, 7.0

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

pagure.io/389-ds-base/issue/49545 (Vendor Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
access.redhat.com/errata/RHSA-2018:0414 (vendor-advisory, Third Party Advisory)
access.redhat.com/errata/RHSA-2018:0515 (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2018/07/msg00018.html (mailing-list)
www.securityfocus.com/bid/103228 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-1054?: CVE-2018-1054 is a high-severity vulnerability in Red Hat, Inc. 389-Ds-Base, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2018-03-07.
How severe is CVE-2018-1054?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-1054 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.