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Vulnerability record · CVE-2023-2953 · published 30 May 2023

CVE-2023-2953: Openldap null pointer dereference vulnerability

Openldap · Openldap

A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.

7.5 CVSS 3.1 High EPSS 1.9% · top 20.8% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
11Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.

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

Affected products

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

References

LinkTags
http://seclists.org/fulldisclosure/2023/Jul/47 Mailing List
http://seclists.org/fulldisclosure/2023/Jul/48 Mailing List
http://seclists.org/fulldisclosure/2023/Jul/52 Mailing List
https://access.redhat.com/security/cve/CVE-2023-2953 Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9904 Issue TrackingVendor Advisory
https://security.netapp.com/advisory/ntap-20230703-0005/ Third Party Advisory
https://support.apple.com/kb/HT213843 Third Party Advisory
https://support.apple.com/kb/HT213844 Third Party Advisory
https://support.apple.com/kb/HT213845 Third Party Advisory
http://seclists.org/fulldisclosure/2023/Jul/47 Mailing List
http://seclists.org/fulldisclosure/2023/Jul/48 Mailing List
http://seclists.org/fulldisclosure/2023/Jul/52 Mailing List
https://access.redhat.com/security/cve/CVE-2023-2953 Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9904 Issue TrackingVendor Advisory
https://security.netapp.com/advisory/ntap-20230703-0005/ Third Party Advisory
https://support.apple.com/kb/HT213843 Third Party Advisory
https://support.apple.com/kb/HT213844 Third Party Advisory
https://support.apple.com/kb/HT213845 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-2953), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.