CVE-2018-12294

NameCVE-2018-12294
DescriptionWebCore/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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)buster2.36.4-1~deb10u1fixed
buster (security)2.38.6-0+deb10u1fixed
bullseye2.38.5-1~deb11u1fixed
bullseye (security)2.40.1-1~deb11u1fixed
bookworm2.40.1-1fixed
sid2.40.2-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksource(unstable)2.20.2-1unimportant

Notes

Not covered by security support
https://webkitgtk.org/security/WSA-2018-0005.html
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