Quick answers
- Is CVE-2025-43238 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-43238 being exploited in the wild.
- How severe is CVE-2025-43238?
- Medium severity, with a CVSS score of 6.2, published 2 April 2026.
- Which products and versions are affected?
- Apple macOS Sequoia before 15.6; Apple macOS Sonoma before 14.7.7; Apple macOS Ventura before 13.7.7.
- Is there a fix for CVE-2025-43238?
- A patch was published on 2026-04-02. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2025-43238 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2025-43238?
- Check whether you run Apple macOS Sequoia, Apple macOS Sonoma or Apple macOS Ventura at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An integer overflow vulnerability (CWE-190) exists in macOS due to insufficient input validation. A local application can exploit this flaw to trigger a kernel panic or unexpected system termination, leading to a denial-of-service (DoS) condition. The vulnerability is reachable without specific user interaction or elevated privileges. Apple addressed the issue by improving input validation in macOS Sequoia 15.6, macOS Sonoma 14.7.7, and macOS Ventura 13.7.7.
Affected products
- Apple macOS Sequoia before 15.6
- Apple macOS Sonoma before 14.7.7
- Apple macOS Ventura before 13.7.7
Timeline
- 2026-04-02: disclosed
- 2026-04-02: advisory
- 2026-04-02: patched