CVE-2025-43380

Severity: medium (CVSS 5.5 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: 2025-11-04 · updated 2026-10-18
Weakness: CWE-787

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. Parsing a file may lead to an unexpected app termination.

Affected products

Apple macOS: from 14.0 before 14.8.2; from 15.0 before 15.7.2 — fixed in 14.8.2, 15.7.2

How to fix

Upgrade to a fixed version: Apple macOS 14.8.2, 15.7.2. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/125634
https://support.apple.com/en-us/125635
https://support.apple.com/en-us/125636

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