CVE-2025-43237

CRITICAL

macOS Sequoia <15.6 - Memory Corruption

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124149

Scores

CVSS v3 9.8
EPSS 0.0045
EPSS Percentile 63.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-787
Status published
Products (2)
apple/macos < 15.6
Apple/macOS < 15.6
Published Jul 30, 2025
Tracked Since Feb 18, 2026