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Vulnerability record · CVE-2017-9287 · published 29 May 2017

CVE-2017-9287: Openldap double free vulnerability

Openldap · Openldap

servers/slapd/back-mdb/search.c in OpenLDAP through 2.4.44 is prone to a double free vulnerability. A user with access to search the directory can crash slapd by issuing a search including the Paged Results control with a page size of 0.

6.5 CVSS 3.1 Medium EPSS 7.2% · top 5.9% CWE-415 · Double free
6.5CVSS 3.1 base score, v2 4.0
7.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
16References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

servers/slapd/back-mdb/search.c in OpenLDAP through 2.4.44 is prone to a double free vulnerability. A user with access to search the directory can crash slapd by issuing a search including the Paged Results control with a page size of 0.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://www.debian.org/security/2017/dsa-3868 Third Party Advisory
http://www.openldap.org/its/?findid=8655 ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/98736 Broken Link
http://www.securitytracker.com/id/1038591 Broken Link
https://access.redhat.com/errata/RHSA-2017:1852 Third Party Advisory
https://bugs.debian.org/863563 Issue TrackingPatchThird Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
http://www.debian.org/security/2017/dsa-3868 Third Party Advisory
http://www.openldap.org/its/?findid=8655 ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/98736 Broken Link
http://www.securitytracker.com/id/1038591 Broken Link
https://access.redhat.com/errata/RHSA-2017:1852 Third Party Advisory
https://bugs.debian.org/863563 Issue TrackingPatchThird Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-9287), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.