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High severity7.5NVD Advisory· Published Dec 12, 2025· Updated Jun 17, 2026

CVE-2025-43494

CVE-2025-43494

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

15
  • Apple Inc./iOSllm-fuzzy
    Range: 18.7.2
  • Apple Inc./Ipadosllm-fuzzy3 versions
    18.7.2, 26.1+ 2 more
    • (no CPE)range: 18.7.2, 26.1
    • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <18.7.2
    • cpe:2.3:o:apple:ipados:26.0:*:*:*:*:*:*:*
  • Apple Inc./macOS Sequoiallm-fuzzy
    Range: 15.7.2
  • Apple Inc./macOS Sonomallm-fuzzy
    Range: 14.8.2
  • Apple Inc./macOS Tahoellm-fuzzy
    Range: 26.1
  • Apple Inc./Visionosllm-fuzzy2 versions
    26.1+ 1 more
    • (no CPE)range: 26.1
    • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*range: <26.1
  • Apple Inc./watchOSllm-fuzzy2 versions
    26.1+ 1 more
    • (no CPE)range: 26.1
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <26.1
  • Apple Inc./Iphone OS2 versions
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*range: <18.7.2
    • cpe:2.3:o:apple:iphone_os:26.0:*:*:*:*:*:*:*
  • Apple Inc./macOS2 versions
    cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=14.0,<14.8.2
    • cpe:2.3:o:apple:macos:26.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

7

News mentions

0

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