cbcvebase.
CVE-2025-43494
published 2025-12-12

CVE-2025-43494: A mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia…

high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
A mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. An attacker may be able to cause a persistent denial-of-service.

Affected

21 ranges
VendorProductVersion rangeFixed in
appleios_18.7.2_and_ipados
appleios_26.1_and_ipados
appleios_and_ipados< 18.7.218.7.2
appleios_and_ipados< 26.126.1
appleipados< 18.7.218.7.2
appleipados
appleiphone_os< 18.7.218.7.2
appleiphone_os
applemacos< 14.8.214.8.2
applemacos< 15.7.215.7.2
applemacos< 26.126.1
applemacos
applemacos>= 14.0 < 14.8.214.8.2
applemacos>= 15.0 < 15.7.215.7.2
applemacos_sequoia
applemacos_sonoma
applemacos_tahoe
applevisionos< 26.126.1
applevisionos
applewatchos< 26.126.1
applewatchos