CVE-2025-43239

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-30 · updated 2026-06-17
Weakness: CWE-125

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.

Affected products

Apple macOS: before 13.7.7; from 14.0 before 14.7.7; from 15.0 before 15.6 — fixed in 13.7.7, 14.7.7, 15.6

How to fix

Upgrade to a fixed version: Apple macOS 13.7.7, 14.7.7, 15.6. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/124149
https://support.apple.com/en-us/124150
https://support.apple.com/en-us/124151
http://seclists.org/fulldisclosure/2025/Jul/32
http://seclists.org/fulldisclosure/2025/Jul/33
http://seclists.org/fulldisclosure/2025/Jul/34

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