Apple macOS importMeshes heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS. It has been classified as critical. This vulnerability affects the function importMeshes. Performing a manipulation results in heap-based overflow. This vulnerability is known as CVE-2025-43264. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS (unknown version). This affects the function importMeshes. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6. Processing a maliciously crafted image may corrupt process memory.

The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2025-43264 since 04/16/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/27/2026).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CNNVD (CNNVD-202604-473). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
08/13/2025 +119 days Advisory disclosed
08/13/2025 +0 days VulDB entry created
07/27/2026 +348 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2025-43264 (🔒)
GCVE (CVE): GCVE-0-2025-43264
GCVE (VulDB): GCVE-100-319905
CNNVD: CNNVD-202604-473 - Apple macOS 安全漏洞

scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 08/13/2025 15:12
Updated: 07/27/2026 11:37
Changes: 08/13/2025 15:12 (53), 04/03/2026 16:06 (6), 04/04/2026 20:03 (1), 04/05/2026 23:23 (1), 04/07/2026 02:42 (1), 07/27/2026 11:37 (13)
Complete: 🔍
Cache ID: 216::103

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

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