USN-7817-1: WebKitGTK vulnerabilities

Published Oct 9, 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<2.48.7-0ubuntu0.25.04.2
2.48.7-0ubuntu0.25.04.2
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.48.7-0ubuntu0.25.04.2
2.48.7-0ubuntu0.25.04.2
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.48.7-0ubuntu0.25.04.2
2.48.7-0ubuntu0.25.04.2
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.48.7-0ubuntu0.25.04.2
2.48.7-0ubuntu0.25.04.2
Ubuntu Ubuntu=25.04
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.48.7-0ubuntu0.24.04.2
2.48.7-0ubuntu0.24.04.2
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.48.7-0ubuntu0.24.04.2
2.48.7-0ubuntu0.24.04.2
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.48.7-0ubuntu0.24.04.2
2.48.7-0ubuntu0.24.04.2
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.48.7-0ubuntu0.24.04.2
2.48.7-0ubuntu0.24.04.2
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libjavascriptcoregtk-4.0-18<2.48.7-0ubuntu0.22.04.2
2.48.7-0ubuntu0.22.04.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libjavascriptcoregtk-4.1-0<2.48.7-0ubuntu0.22.04.2
2.48.7-0ubuntu0.22.04.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libjavascriptcoregtk-6.0-1<2.48.7-0ubuntu0.22.04.2
2.48.7-0ubuntu0.22.04.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkit2gtk-4.0-37<2.48.7-0ubuntu0.22.04.2
2.48.7-0ubuntu0.22.04.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkit2gtk-4.1-0<2.48.7-0ubuntu0.22.04.2
2.48.7-0ubuntu0.22.04.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libwebkitgtk-6.0-4<2.48.7-0ubuntu0.22.04.2
2.48.7-0ubuntu0.22.04.2
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 2.48.7-0ubuntu0.25.04.2
  2. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.25.04.2
  3. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.25.04.2
  4. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.25.04.2
  5. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.24.04.2
  6. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.24.04.2
  7. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.24.04.2
  8. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.24.04.2
  9. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.22.04.2
  10. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.22.04.2
  11. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.22.04.2
  12. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.22.04.2
  13. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.22.04.2
  14. Upgrade

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

    Fixed in 2.48.7-0ubuntu0.22.04.2

Event History

Oct 9, 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 must an attacker do to exploit these issues?

The attacker must trick a user into viewing a malicious website. Exploitation is therefore tied to browsing untrusted or attacker-controlled web content.

2

What impact could successful exploitation have?

The reported impacts include cross-site scripting, denial of service, and arbitrary code execution. The specific impact depends on which of the several WebKitGTK and JavaScript engine issues is exploited.

3

Which installed packages should be reviewed for exposure?

Review installations of libjavascriptcoregtk-4.1-0, libjavascriptcoregtk-6.0-1, libwebkit2gtk-4.1-0, libwebkitgtk-6.0-4, libjavascriptcoregtk-4.0-18, and libwebkit2gtk-4.0-37 on Ubuntu.

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