Critical Security Update for webkit2gtk3: Addressing Multiple Vulnerabilities

webkit2gtk3 Updated 26 May 2026

Summary

19/05/2026
N/A
Yes i
Unrated
Not published

ALSA-2026:19206: Important: webkit2gtk3 security update. Affects webkit2gtk3 versions < 2.52.3-1.el9_8. Fixed in 2.52.3-1.el9_8. How to fix ↓

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Background

WebKitGTK is a port of the WebKit rendering engine designed for the GTK platform, enabling web content to be displayed in applications. It is widely used in various applications that require web browsing capabilities. The package includes components such as webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc, and webkit2gtk3-jsc-devel, which are essential for developers and users relying on web technologies. Recent vulnerabilities have been identified that could lead to severe security risks, including crashes and unauthorized access to sensitive information.

Vulnerability Detail

The vulnerabilities in webkit2gtk3 stem from the processing of maliciously crafted web content, which can lead to unexpected crashes, denial-of-service attacks, and potential information disclosure. Specific issues include the ability for attackers to bypass security policies, track users, and execute cross-site scripting attacks. These vulnerabilities are critical as they can compromise user data and application integrity, making it imperative for users to apply the necessary updates.

How To Fix

Minimum fixed version

2.52.3-1.el9_8

This is the first release that contains the fix.

sudo dnf update webkit2gtk3

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Workaround

As a temporary measure, users can avoid visiting untrusted websites or disable JavaScript in their web applications to mitigate the risk of exploitation until the update is applied.

Conclusion

The vulnerabilities identified in webkit2gtk3 pose significant risks to applications utilizing this package. It is crucial for users to update to the latest patched version to ensure their systems remain secure. By following the recommended steps and utilizing tools like Vulert, users can effectively monitor and manage their software vulnerabilities.

See every vulnerability recorded for webkit2gtk3 →

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FAQ

The main vulnerabilities include crashes from malicious web content, denial-of-service attacks, and the potential for unauthorized access to sensitive information.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Simply upload your manifest file like package-lock.json to check for vulnerabilities.

Yes, a patch is available in version 2.52.3-1.el9_8. Users should update their packages to this version to mitigate the vulnerabilities.

If you cannot update immediately, avoid visiting untrusted websites and consider disabling JavaScript as a temporary workaround.

More information can be found on the CVE pages listed in the vulnerability details, which provide insights into the impact and technical aspects of each vulnerability.

Related vulnerabilities

Recent vulnerabilities recorded for webkit2gtk3.

How To Fix

Minimum fixed version

2.52.3-1.el9_8

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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