USN-7702-1: WebKitGTK vulnerabilities

Published Aug 19, 2025
·
Updated

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.

Affected Software

28 affected componentsFixes available
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.48.5-0ubuntu0.25.04.1
2.48.5-0ubuntu0.25.04.1
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.48.5-0ubuntu0.25.04.1
2.48.5-0ubuntu0.25.04.1
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.48.5-0ubuntu0.25.04.1
2.48.5-0ubuntu0.25.04.1
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.48.5-0ubuntu0.25.04.1
2.48.5-0ubuntu0.25.04.1
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.48.5-0ubuntu0.24.04.1
2.48.5-0ubuntu0.24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.48.5-0ubuntu0.24.04.1
2.48.5-0ubuntu0.24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.48.5-0ubuntu0.24.04.1
2.48.5-0ubuntu0.24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.48.5-0ubuntu0.24.04.1
2.48.5-0ubuntu0.24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libjavascriptcoregtk-4.0-18<2.48.5-0ubuntu0.22.04.1
2.48.5-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.48.5-0ubuntu0.22.04.1
2.48.5-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.48.5-0ubuntu0.22.04.1
2.48.5-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkit2gtk-4.0-37<2.48.5-0ubuntu0.22.04.1
2.48.5-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.48.5-0ubuntu0.22.04.1
2.48.5-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.48.5-0ubuntu0.22.04.1
2.48.5-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/libjavascriptcoregtk-4.1-0 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.25.04.1
  2. Upgrade

    Upgrade ubuntu/libjavascriptcoregtk-6.0-1 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.25.04.1
  3. Upgrade

    Upgrade ubuntu/libwebkit2gtk-4.1-0 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.25.04.1
  4. Upgrade

    Upgrade ubuntu/libwebkitgtk-6.0-4 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.25.04.1
  5. Upgrade

    Upgrade ubuntu/libjavascriptcoregtk-4.1-0 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.24.04.1
  6. Upgrade

    Upgrade ubuntu/libjavascriptcoregtk-6.0-1 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.24.04.1
  7. Upgrade

    Upgrade ubuntu/libwebkit2gtk-4.1-0 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.24.04.1
  8. Upgrade

    Upgrade ubuntu/libwebkitgtk-6.0-4 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.24.04.1
  9. Upgrade

    Upgrade ubuntu/libjavascriptcoregtk-4.0-18 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.22.04.1
  10. Upgrade

    Upgrade ubuntu/libjavascriptcoregtk-4.1-0 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.22.04.1
  11. Upgrade

    Upgrade ubuntu/libjavascriptcoregtk-6.0-1 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.22.04.1
  12. Upgrade

    Upgrade ubuntu/libwebkit2gtk-4.0-37 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.22.04.1
  13. Upgrade

    Upgrade ubuntu/libwebkit2gtk-4.1-0 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.22.04.1
  14. Upgrade

    Upgrade ubuntu/libwebkitgtk-6.0-4 to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.22.04.1

Event History

Aug 19, 2025
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

Who is exposed to these issues?

Users of Ubuntu systems with the listed WebKitGTK or JavaScriptCoreGTK packages installed may be exposed when an application uses these engines to render untrusted web content.

2

What must an attacker do to exploit the vulnerabilities?

The attacker must trick a user into viewing a malicious website. Successful exploitation may lead to cross-site scripting, denial of service, or arbitrary code execution.

3

How can I determine whether my system is potentially affected?

Check whether any of the listed Ubuntu packages are installed: libjavascriptcoregtk-4.1-0, libjavascriptcoregtk-6.0-1, libwebkit2gtk-4.1-0, libwebkitgtk-6.0-4, libjavascriptcoregtk-4.0-18, or libwebkit2gtk-4.0-37.

Company

Resources

Contact

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