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CVE-2025-43494

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/12/2025

Last Modified4/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

apple:ipadosapple:iphone_osapple:macosapple:visionosapple:watchos

Weaknesses (CWE)

CWE-20

References

https://support.apple.com/en-us/125632(product-security@apple.com)

https://support.apple.com/en-us/125633(product-security@apple.com)

https://support.apple.com/en-us/125634(product-security@apple.com)

https://support.apple.com/en-us/125635(product-security@apple.com)

https://support.apple.com/en-us/125636(product-security@apple.com)

https://support.apple.com/en-us/125638(product-security@apple.com)

https://support.apple.com/en-us/125639(product-security@apple.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.