CVE-2025-43239
HIGHCVSS 7.1/10EPSS 0.22%
Last modified
CVE-2025-43239 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. Processing a maliciously crafted file may lead to unexpected app termination.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | < 13.7.7 |
| Apple | Macos | >= 14.0, < 14.7.7 |
| Apple | Macos | >= 15.0, < 15.6 |
References
- https://support.apple.com/en-us/124149Release Notes, Vendor Advisory
- https://support.apple.com/en-us/124150Release Notes, Vendor Advisory
- https://support.apple.com/en-us/124151Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-43239?
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. Processing a maliciously crafted file may lead to unexpected app termination.
How severe is CVE-2025-43239?
CVE-2025-43239 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2025-43239?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-43239?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST