USN-7895-1: WebKitGTK vulnerabilities

Published Nov 27, 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

36 affected componentsFixes available
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.50.1-0ubuntu0.25.10.1
2.50.1-0ubuntu0.25.10.1
Ubuntu Ubuntu=25.10
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.50.1-0ubuntu0.25.10.1
2.50.1-0ubuntu0.25.10.1
Ubuntu Ubuntu=25.10
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.50.1-0ubuntu0.25.10.1
2.50.1-0ubuntu0.25.10.1
Ubuntu Ubuntu=25.10
All of the following
ubuntu/libwebkitgtk-6.0-4<2.50.1-0ubuntu0.25.10.1
2.50.1-0ubuntu0.25.10.1
Ubuntu Ubuntu=25.10
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.50.1-0ubuntu0.25.04.2
2.50.1-0ubuntu0.25.04.2
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.50.1-0ubuntu0.25.04.2
2.50.1-0ubuntu0.25.04.2
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.50.1-0ubuntu0.25.04.2
2.50.1-0ubuntu0.25.04.2
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.50.1-0ubuntu0.25.04.2
2.50.1-0ubuntu0.25.04.2
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.50.1-0ubuntu0.24.04.1
2.50.1-0ubuntu0.24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.50.1-0ubuntu0.24.04.1
2.50.1-0ubuntu0.24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.50.1-0ubuntu0.24.04.1
2.50.1-0ubuntu0.24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.50.1-0ubuntu0.24.04.1
2.50.1-0ubuntu0.24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libjavascriptcoregtk-4.0-18<2.50.1-0ubuntu0.22.04.1
2.50.1-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.50.1-0ubuntu0.22.04.1
2.50.1-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.50.1-0ubuntu0.22.04.1
2.50.1-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkit2gtk-4.0-37<2.50.1-0ubuntu0.22.04.1
2.50.1-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.50.1-0ubuntu0.22.04.1
2.50.1-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.50.1-0ubuntu0.22.04.1
2.50.1-0ubuntu0.22.04.1
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 2.50.1-0ubuntu0.25.10.1
  2. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.25.10.1
  3. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.25.10.1
  4. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.25.10.1
  5. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.25.04.2
  6. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.25.04.2
  7. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.25.04.2
  8. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.25.04.2
  9. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.24.04.1
  10. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.24.04.1
  11. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.24.04.1
  12. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.24.04.1
  13. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.22.04.1
  14. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.22.04.1
  15. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.22.04.1
  16. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.22.04.1
  17. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.22.04.1
  18. Upgrade

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

    Fixed in 2.50.1-0ubuntu0.22.04.1

Event History

Nov 27, 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

What user interaction is required for exploitation?

A user must be tricked into viewing a malicious website. The issue is exploitable remotely through the affected WebKitGTK web and JavaScript engines.

2

Which installed packages should be checked during triage?

Check for ubuntu/libjavascriptcoregtk-4.1-0, ubuntu/libjavascriptcoregtk-6.0-1, ubuntu/libwebkit2gtk-4.1-0, ubuntu/libwebkitgtk-6.0-4, ubuntu/libjavascriptcoregtk-4.0-18, and ubuntu/libwebkit2gtk-4.0-37.

3

What security outcomes are associated with successful exploitation?

The reported issues may enable cross-site scripting, denial of service, or arbitrary code execution.

Company

Resources

Contact

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