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Vulnerability record · CVE-2018-1089 · published 9 May 2018

CVE-2018-1089: Fedoraproject 389 directory server heap-based buffer overflow vulnerability

Fedoraproject · 389 Directory Server

389-ds-base before versions 1.4.0.9, 1.3.8.1, 1.3.6.15 did not properly handle long search filters with characters needing escapes, possibly leading to buffer overflows. 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.

7.5 CVSS 3.0 High EPSS 4.1% · top 9.5% CWE-122 · Heap-based buffer overflowCWE-119 · Memory buffer overflow
7.5CVSS 3.0 base score, v2 5.0
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

389-ds-base before versions 1.4.0.9, 1.3.8.1, 1.3.6.15 did not properly handle long search filters with characters needing escapes, possibly leading to buffer overflows. 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.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/104137 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:1364 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1380 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1089 Issue TrackingPatch
https://lists.debian.org/debian-lts-announce/2018/07/msg00018.html Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/104137 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:1364 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1380 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1089 Issue TrackingPatch
https://lists.debian.org/debian-lts-announce/2018/07/msg00018.html Mailing ListThird Party Advisory

Track CVE-2018-1089 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2018-1089), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.