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CVE-2023-43000
November 05, 2025
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
Affected Packages
https://github.com/WebKit/WebKit.git (GITHUB):
Affected version(s) >=webkitgtk-2.36.4 <webkitgtk-2.42.0
Fix Suggestion:
Update to version webkitgtk-2.42.0
https://github.com/WebKit/WebKit.git (GITHUB):
Affected version(s) >=wpewebkit-2.36.4 <wpewebkit-2.42.0
Fix Suggestion:
Update to version wpewebkit-2.42.0
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Use After Free
EPSS
Base Score:
0.10