Critical Security Update for webkit2gtk3: Addressing Multiple Vulnerabilities

webkit2gtk3 Updated 21 Jul 2026

Summary

20/07/2026
N/A
Yes i
Unrated
Not published

ALSA-2026:42088: Important: webkit2gtk3 security update. Affects webkit2gtk3 versions < 2.52.5-1.el8_10. Fixed in 2.52.5-1.el8_10. How to fix ↓

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Background

WebKitGTK is a port of the WebKit rendering engine to the GTK platform, enabling applications to render web content. It is widely used in various applications that require web browsing capabilities. However, recent vulnerabilities have been identified that could allow malicious web content to exploit the engine, leading to potential crashes, memory corruption, and data leaks.

Vulnerability Detail

The vulnerabilities in WebKitGTK stem from multiple issues related to how the engine processes web content. Specifically, arbitrary JavaScript execution in PDF.js (CVE-2024-4367) and various instances where maliciously crafted web content can lead to unexpected crashes, memory corruption, and even unauthorized access to sensitive user information. These vulnerabilities can be exploited by attackers to execute arbitrary code, crash applications, or leak sensitive data, posing significant risks to users.

How To Fix

Minimum fixed version

2.52.5-1.el8_10

This is the first release that contains the fix.

sudo dnf update webkit2gtk3

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Workaround

As a temporary measure, users are advised to avoid visiting untrusted websites or opening untrusted PDF files that may exploit these vulnerabilities until the packages are updated.

Conclusion

The vulnerabilities identified in WebKitGTK pose significant risks to users and applications that rely on this rendering engine. It is crucial to update to the patched version to safeguard against potential exploits. Users should remain vigilant and consider using tools like Vulert to monitor their applications for vulnerabilities.

See every vulnerability recorded for webkit2gtk3 →

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FAQ

These vulnerabilities can lead to application crashes, memory corruption, and unauthorized access to sensitive user data.

You can use Vulert, which monitors open-source vulnerabilities in your software using a manifest file. Visit Vulert Scanner to check your application without any signup.

If immediate updates are not possible, avoid interacting with untrusted web content and consider implementing additional security measures.

While specific exploits may not be publicly disclosed, the nature of the vulnerabilities suggests that they could be exploited by attackers to execute arbitrary code or crash applications.

It is recommended to regularly check for updates to your packages and apply security patches as soon as they are available to mitigate risks.

Related vulnerabilities

Recent vulnerabilities recorded for webkit2gtk3.

How To Fix

Minimum fixed version

2.52.5-1.el8_10

This is the first release that contains the fix.

sudo dnf update webkit2gtk3

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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