CVE-2025-66287
December 04, 2025
A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling.
Affected Packages
https://github.com/WebKit/WebKit.git (GITHUB):
Affected version(s) >=webkitgtk-2.51.1 <webkitgtk-2.51.3Fix Suggestion:
Update to version webkitgtk-2.51.3https://github.com/WebKit/WebKit.git (GITHUB):
Affected version(s) >=wpewebkit-2.36.4 <wpewebkit-2.50.3Fix Suggestion:
Update to version wpewebkit-2.50.3https://github.com/WebKit/WebKit.git (GITHUB):
Affected version(s) >=webkitgtk-2.36.4 <webkitgtk-2.50.3Fix Suggestion:
Update to version webkitgtk-2.50.3https://github.com/WebKit/WebKit.git (GITHUB):
Affected version(s) >=wpewebkit-2.51.1 <wpewebkit-2.51.3Fix Suggestion:
Update to version wpewebkit-2.51.3Related Resources (14)
Do you need more information?
Contact UsCVSS 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)
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
EPSS
Base Score:
0.07
