CVE-2025-43238: An app may be able to cause unexpected system termination in Apple macOS
CVE-2025-43238 is an integer overflow vulnerability in Apple macOS that could allow an application to cause unexpected system termination. The issue has been addressed with improved input validation and fixed in macOS Sequoia 15. 6, macOS Sonoma 14. 7. 7, and macOS Ventura 13. 7. 7. The vulnerability has a CVSS score of 6. 2, indicating medium severity, and does not impact confidentiality or integrity but affects availability by causing system crashes.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow in Apple macOS that can be triggered by a malicious application to cause unexpected system termination (denial of service). The root cause is insufficient input validation leading to the overflow condition. Apple has fixed this issue in recent macOS releases: Sequoia 15.6, Sonoma 14.7.7, and Ventura 13.7.7. The CVSS vector indicates the attack requires local access with low complexity and no privileges or user interaction, impacting system availability only.
Potential Impact
An attacker with local access to the affected macOS system could exploit this integer overflow to cause the system to terminate unexpectedly, resulting in denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Apply the official Apple patches by upgrading to macOS Sequoia 15.6, macOS Sonoma 14.7.7, or macOS Ventura 13.7.7 to remediate this vulnerability. Since the vendor has released fixes, updating to these versions is the recommended and effective mitigation.
CVE-2025-43238: An app may be able to cause unexpected system termination in Apple macOS
Description
CVE-2025-43238 is an integer overflow vulnerability in Apple macOS that could allow an application to cause unexpected system termination. The issue has been addressed with improved input validation and fixed in macOS Sequoia 15. 6, macOS Sonoma 14. 7. 7, and macOS Ventura 13. 7. 7. The vulnerability has a CVSS score of 6. 2, indicating medium severity, and does not impact confidentiality or integrity but affects availability by causing system crashes.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow in Apple macOS that can be triggered by a malicious application to cause unexpected system termination (denial of service). The root cause is insufficient input validation leading to the overflow condition. Apple has fixed this issue in recent macOS releases: Sequoia 15.6, Sonoma 14.7.7, and Ventura 13.7.7. The CVSS vector indicates the attack requires local access with low complexity and no privileges or user interaction, impacting system availability only.
Potential Impact
An attacker with local access to the affected macOS system could exploit this integer overflow to cause the system to terminate unexpectedly, resulting in denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Apply the official Apple patches by upgrading to macOS Sequoia 15.6, macOS Sonoma 14.7.7, or macOS Ventura 13.7.7 to remediate this vulnerability. Since the vendor has released fixes, updating to these versions is the recommended and effective mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2025-04-16T15:24:37.091Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 69ceb81be6bfc5ba1df6de80
Added to database: 4/2/2026, 6:40:27 PM
Last enriched: 4/9/2026, 10:53:07 PM
Last updated: 5/20/2026, 8:51:54 PM
Views: 30
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