PT-2023-3768 · Openldap+12 · Openldap+12

Sandipan Roy · Published 2023-05-29 · Updated 2025-08-21 · CVE-2023-2953

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions OpenLDAP (affected versions not specified)

Description The issue is related to a null pointer dereference in the ber memalloc x() function. This can be exploited by a remote attacker to cause a denial of service. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited. The technical details about exploitation include a null pointer dereference in the ber memalloc x() function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2024:4264

ALT-PU-2025-2746

AZL-27011

BDU:2023-04057

BIT-OPENLDAP-2023-2953

CESA-2024_4264

CVE-2023-2953

ECHO-A4D9-067F-6E00

INFSA-2024_4264

MGASA-2023-0252

OESA-2023-1334

OPENSUSE-SU-2024:13012-1

RHSA-2024:4264

RHSA-2024:6033

RHSA-2024_4264

RHSA-2025:8176

RHSA-2025:8181

SUSE-SU-2023:2483-1

SUSE-SU-2023:2484-1

SUSE-SU-2023:2503-1

SUSE-SU-2023_2483-1

SUSE-SU-2023_2484-1

SUSE-SU-2023_2503-1

USN-6197-1

USN-6616-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Debian

Linuxmint

Apple Macos

Openldap

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

References · 64

• https://ubuntu.com/security/CVE-2023-2953 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:2483-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-2953 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-openldap-2023-2953 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-2953 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-2953 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2023-2953 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-27011 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-2953 · Vendor Advisory
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-2953 · Security Note
• https://bugs.openldap.org/show_bug.cgi?id=9904 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-04057 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-2953 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6197-1 · Vendor Advisory