CVE-2023-2953

HighCVSS 7.5/10Last modified Oct 14, 2026

Description

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	openldap	openldap-2.4
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5

References

http://seclists.org/fulldisclosure/2023/Jul/47Mailing List
http://seclists.org/fulldisclosure/2023/Jul/48Mailing List
http://seclists.org/fulldisclosure/2023/Jul/52Mailing List
https://access.redhat.com/security/cve/CVE-2023-2953Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9904Issue Tracking, Vendor Advisory
https://security.netapp.com/advisory/ntap-20230703-0005/Third Party Advisory
https://support.apple.com/kb/HT213843Third Party Advisory
https://support.apple.com/kb/HT213844Third Party Advisory
https://support.apple.com/kb/HT213845Third Party Advisory
http://seclists.org/fulldisclosure/2023/Jul/47Mailing List
http://seclists.org/fulldisclosure/2023/Jul/48Mailing List
http://seclists.org/fulldisclosure/2023/Jul/52Mailing List
https://access.redhat.com/security/cve/CVE-2023-2953Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9904Issue Tracking, Vendor Advisory
https://security.netapp.com/advisory/ntap-20230703-0005/Third Party Advisory
https://support.apple.com/kb/HT213843Third Party Advisory
https://support.apple.com/kb/HT213844Third Party Advisory
https://support.apple.com/kb/HT213845Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://cert-portal.siemens.com/productcert/html/ssa-806742.html

Timeline

Published: May 30, 2023
Last modified: Oct 14, 2026
NVD status: Modified

Related CVEs from 2023

CVE-2023-295306.5Laminas Diactoros provides PSR HTTP Message implementations. In versions 2.18.0 and prior, 2.19.0, 2.20.0, 2.21.0, 2.22.0, 2.23.0, 2.24.0, a CVE-2023-295319.8An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable cr CVE-2023-295325.5A local attacker can trick the Mozilla Maintenance Service into applying an unsigned update file by pointing the service at an update file o CVE-2023-295334.3A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>win CVE-2023-295349.1Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential use CVE-2023-295356.5Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corrup CVE-2023-295368.8An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertio CVE-2023-295377.5Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code. This vuln CVE-2023-295384.3Under specific circumstances a WebExtension may have received a <code>jar:file:///</code> URI instead of a <code>moz-extension:///</code> UR CVE-2023-295398.8When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL cha CVE-2023-29545.4Cross-site Scripting (XSS) - Stored in GitHub repository liangliangyy/djangoblog prior to master.CVE-2023-295406.1Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes wit