CVE-2025-43494

CVSS 7.5 HIGHEPSS 0.5%CWE-20

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Apple · iOS and iPadOS Apple · macOS Apple · visionOS Apple · watchOS

References

https://support.apple.com/en-us/125632 https://support.apple.com/en-us/125633 https://support.apple.com/en-us/125634 https://support.apple.com/en-us/125635 https://support.apple.com/en-us/125636 https://support.apple.com/en-us/125638 https://support.apple.com/en-us/125639