- 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.
- Source
- product-security@apple.com
- NVD status
- Modified
- Products
- ipados, iphone_os, macos, visionos, watchos
CVSS 3.1
- Type
- Secondary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
- CWE-20
- Hype score
- Not currently trending
🚨 HIGH: CVE-2025-43494 (CVSS 7.5) Mail header parsing flaw in Apple products enables persistent DoS attacks. Network-based, no user interaction required. Affected: iOS/iPadOS, macOS, visionOS, watchOS Patch immediately. #CVE #PatchNow #ThreatIntel https://t.co/Hbcwp1Q6em
@DFIR_Lab
8 Oct 2026
50 Impressions
0 Retweets
1 Like
0 Bookmarks
0 Replies
0 Quotes
🔴 #Apple Operating Systems, Mail Header Parsing Vulnerability, #CVE-2025-43494 (High) https://t.co/21AnYFDqXt
@dailycve
16 Dec 2025
6 Impressions
0 Retweets
0 Likes
0 Bookmarks
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