CVE-2025-43338

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% 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-79

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26 and iPadOS 26, macOS Sonoma 14.8.2, macOS Sonoma 14.8.4, macOS Tahoe 26. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Affected products

Apple iPadOS: before 26.0 — fixed in 26.0
Apple Iphone Os: before 26.0 — fixed in 26.0
Apple macOS: before 14.8.2 — fixed in 14.8.2

How to fix

Upgrade to a fixed version: Apple iPadOS 26.0; Apple Iphone Os 26.0; Apple macOS 14.8.2. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/125108
https://support.apple.com/en-us/125110
https://support.apple.com/en-us/125636
https://support.apple.com/en-us/126350

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