Mend.io Vulnerability Database

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CVE-2025-43430

Good to know:

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Date: November 3, 2025

This issue was addressed through improved state management. This issue is fixed in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

Severity Score

Related Resources (7)

https://support.apple.com/en-us/125632
https://support.apple.com/en-us/125640
https://support.apple.com/en-us/125638
https://support.apple.com/en-us/125639
https://nvd.nist.gov/vuln/detail/CVE-2025-43430
https://support.apple.com/en-us/125637
https://www.mend.io/vulnerability-database/CVE-2025-43430

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Improper Check or Handling of Exceptional Conditions

CWE-703

Top Fix

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Upgrade Version

Upgrade to version https://github.com/WebKit/WebKit.git - webkitgtk-2.50.2;https://github.com/WebKit/WebKit.git - webkitgtk-2.51.2;https://github.com/WebKit/WebKit.git - wpewebkit-2.50.2;https://github.com/WebKit/WebKit.git - wpewebkit-2.51.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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