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6.2

macOS Sequoia, Sonoma, and Ventura: App can crash system unexpectedly

CVE-2025-43238 · published 7 months ago
Summary

An app may be able to crash your computer's operating system by exploiting an error in how it handles numbers. This has been fixed in newer versions of macOS, so make sure you're running one of those if you're using this software. To stay secure, keep your operating system up to date with the latest updates.

Original advisory text
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause unexpected system...
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause unexpected system termination.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.2 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-190Integer Overflow
Timeline
Published2 Apr 2026
Updated30 Oct 2026
First seen2 Apr 2026
Sources
CVE-2025-43238 · NVD
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