Apple macOS up to 15.5 App out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 15.5 and classified as critical. Affected by this vulnerability is an unknown functionality of the component App. The manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2025-43237. The attack requires a local approach. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 15.5. Affected is an unknown code of the component App. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6. An app may be able to cause unexpected system termination.

The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2025-43237 since 04/16/2025. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 243030 (macOS 15.x < 15.6 Multiple Vulnerabilities (124149)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 15.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (243030). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 243030
Nessus Name: macOS 15.x < 15.6 Multiple Vulnerabilities (124149)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: macOS 15.6

Timelineinfo

04/16/2025 CVE reserved
07/30/2025 +105 days Advisory disclosed
07/30/2025 +0 days VulDB entry created
07/31/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-43237 (🔒)
GCVE (CVE): GCVE-0-2025-43237
GCVE (VulDB): GCVE-100-318252
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/30/2025 08:37
Updated: 07/31/2025 22:28
Changes: 07/30/2025 08:37 (57), 07/31/2025 04:40 (1), 07/31/2025 22:28 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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