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.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12294.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "2.20.2" } ] } ]