CVE-2025-43494

7.5 HIGH
Published: December 12, 2025 Modified: December 16, 2025

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.apple.com/en-us/125632
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125633
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125634
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125635
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125636
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125638
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125639
Source: product-security@apple.com
Release Notes Vendor Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.2%
42th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

apple