Description
WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | webkit2gtk | 2.20.2-1 | — |
| Debian 13 | webkit2gtk | 2.20.2-1 | — |
| Debian 12 | webkit2gtk | 2.20.2-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 22.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 20.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 18.04 LTS | webkit2gtk | 2.20.2-0ubuntu0.18.04.1 | — |
| Ubuntu 18.04 LTS | webkitgtk +2 | No fix yet | — |
| Ubuntu 16.04 LTS | webkit2gtk | 2.20.2-0ubuntu0.16.04.1 | — |
| Ubuntu 16.04 LTS | webkitgtk +2 | No fix yet | — |
References
- https://bugs.webkit.org/show_bug.cgi?id=184729
- https://trac.webkit.org/changeset/231300/webkit
- GLSA-201808-04 vendor-advisory
- 20180614 WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0005 mailing-list
- http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html
- [oss-security] 20180614 WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0005 mailing-list