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Ubuntu 22.04 LTS: Important Security Advisory USN-7702-1 for WebKitGTK

ubuntu
Calendar Grey August 19, 2025
Scroller Ubuntu
Significant vulnerabilities addressed in WebKitGTK for Ubuntu, posing threats including potential remote code execution and service interruptions.
Several security issues were fixed in WebKitGTK.

Summary

Several security issues were fixed in WebKitGTK.

Software Description:

- webkit2gtk: Web content engine library for GTK+

Details:

Several security issues were discovered in the WebKitGTK Web and JavaScript

engines. If a user were tricked into viewing a malicious website, a remote

attacker could exploit a variety of issues related to web browser security,

including cross-site scripting attacks, denial of service attacks, and

arbitrary code execution.

Topics%20covered

Topics Covered

security advisory arbitrary code execution remote attack Ubuntu important web technology

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
  libjavascriptcoregtk-4.1-0      2.48.5-0ubuntu0.25.04.1
  libjavascriptcoregtk-6.0-1      2.48.5-0ubuntu0.25.04.1
  libwebkit2gtk-4.1-0             2.48.5-0ubuntu0.25.04.1
  libwebkitgtk-6.0-4              2.48.5-0ubuntu0.25.04.1

Ubuntu 24.04 LTS
  libjavascriptcoregtk-4.1-0      2.48.5-0ubuntu0.24.04.1
  libjavascriptcoregtk-6.0-1      2.48.5-0ubuntu0.24.04.1
  libwebkit2gtk-4.1-0             2.48.5-0ubuntu0.24.04.1
  libwebkitgtk-6.0-4              2.48.5-0ubuntu0.24.04.1

Ubuntu 22.04 LTS
  libjavascriptcoregtk-4.0-18     2.48.5-0ubuntu0.22.04.1
  libjavascriptcoregtk-4.1-0      2.48.5-0ubuntu0.22.04.1
  libjavascriptcoregtk-6.0-1      2.48.5-0ubuntu0.22.04.1
  libwebkit2gtk-4.0-37            2.48.5-0ubuntu0.22.04.1
  libwebkit2gtk-4.1-0             2.48.5-0ubuntu0.22.04.1
  libwebkitgtk-6.0-4              2.48.5-0ubuntu0.22.04.1

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any applications
that use WebKitGTK, such as Epiphany, to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7702-1

CVE-2025-31273, CVE-2025-31278, CVE-2025-43211, CVE-2025-43212,

CVE-2025-43216, CVE-2025-43227, CVE-2025-43228, CVE-2025-43240,

CVE-2025-43265, CVE-2025-6558

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7702-1

Topics%20covered

Topics Covered

security advisory arbitrary code execution remote attack Ubuntu important web technology

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.48.5-0ubuntu0.25.04.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.48.5-0ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.48.5-0ubuntu0.22.04.1

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