BaseFortify

Publication date: 2025-12-04

Last updated on: 2026-06-29

Assigner: Red Hat, Inc.

Description

A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-12-04

Last Modified

2026-06-29

Generated

2026-07-06

AI Q&A

2025-12-04

EPSS Evaluated

2026-07-05

NVD

CVE-2025-66287

Affected Vendors & Products

Vendor	Product	Version / Range
webkitgtk	webkitgtk	*
webkitgtk	wpe_webkit	*
redhat	webkit2gtk3	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-120	The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is a flaw in WebKitGTK where processing malicious web content can cause an unexpected process crash due to improper memory handling.

Impact Analysis

The vulnerability can lead to a process crash when malicious web content is processed, potentially causing denial of service and allowing attackers to impact confidentiality, integrity, and availability of the affected system.

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