Out-Of-Bounds Write Vulnerability in macOS by Apple
CVE-2025-43237

9.8CRITICAL

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
30 July 2025

What is CVE-2025-43237?

An out-of-bounds write vulnerability has been identified in macOS Sequoia that could allow an application to exceed the allocated memory bounds. This situation may lead to unexpected behavior or system crashes, impacting the stability and security of the operating system. Apple has addressed this issue with enhanced bounds checking in update 15.6, significantly reducing the risk of exploitation.

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Deploy the Patch

Affected Version(s)

macOS < 15.6

References

https://support.apple.com/en-us/124149

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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