Apple macOS up to 13.4.1 OpenLDAP memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple macOS up to 13.4.1. This affects an unknown part of the component OpenLDAP. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2023-2953. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apple macOS up to 13.4.1 (Operating System). Affected by this vulnerability is an unknown functionality of the component OpenLDAP. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability.

The weakness was shared 07/24/2023 by Sandipan Roy as HT213843 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2023-2953. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/19/2025). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A remote user may be able to cause a denial-of-service

The vulnerability scanner Nessus provides a plugin with the ID 235538 (RockyLinux 8 : openldap (RLSA-2024:4264)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 13.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

The issue was addressed with improved memory handling.

The vulnerability is also documented in the databases at Tenable (235538) and EUVD (EUVD-2023-34399). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 235538
Nessus Name: RockyLinux 8 : openldap (RLSA-2024:4264)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 13.5

Timelineinfo

05/29/2023 🔍
07/24/2023 +56 days 🔍
07/24/2023 +0 days 🔍
07/25/2023 +1 days 🔍
12/19/2025 +878 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213843
Researcher: Sandipan Roy
Status: Confirmed

CVE: CVE-2023-2953 (🔍)
GCVE (CVE): GCVE-0-2023-2953
GCVE (VulDB): GCVE-100-235369
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/25/2023 12:25
Updated: 12/19/2025 21:48
Changes: 07/25/2023 12:25 (16), 07/25/2023 12:26 (3), 07/25/2023 12:29 (28), 08/18/2023 10:11 (2), 08/18/2023 10:16 (11), 01/10/2025 23:27 (26), 05/08/2025 15:48 (2), 12/19/2025 21:48 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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