CVE-2025-66287: Webkitgtk: processing maliciously crafted web content may lead to an unexpected process crash

Published Dec 4, 2025
·
Updated

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

Other sources

Processing maliciously crafted web content may lead to an unexpected process crash. The issue was addressed with improved memory handling.

— Red Hat

Affected Software

1 affected component
WebKit WebKitGTK

Event History

Dec 4, 2025
Data Sourced
via Red Hat·04:12 PM
DescriptionSeverityAffected Software
CVE Published
via MITRE·04:48 PM
Data Sourced
via MITRE·04:48 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-66287?

CVE-2025-66287 is classified as a critical vulnerability due to its potential to cause process crashes from malicious web content.

2

How do I fix CVE-2025-66287?

To fix CVE-2025-66287, update WebKitGTK to the latest version where improved memory handling has been implemented.

3

What types of applications are affected by CVE-2025-66287?

CVE-2025-66287 affects applications that utilize the WebKitGTK framework for rendering web content.

4

What does CVE-2025-66287 exploit?

CVE-2025-66287 exploits improper memory handling when processing maliciously crafted web content.

5

What are the potential consequences of CVE-2025-66287?

The potential consequences of CVE-2025-66287 include unexpected crashes of applications utilizing WebKitGTK, leading to denial of service.

Company

Resources

Contact

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CVE-2025-66287 - Webkitgtk: processing maliciously crafted web content may lead to an unexpected process crash - SecAlerts