A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "gir1.2-javascriptcoregtk-4.0" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "gir1.2-webkit2-4.0" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libjavascriptcoregtk-4.0-18" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libjavascriptcoregtk-4.0-18-dbgsym" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libjavascriptcoregtk-4.0-bin" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libjavascriptcoregtk-4.0-bin-dbgsym" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libjavascriptcoregtk-4.0-dev" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libwebkit2gtk-4.0-37" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libwebkit2gtk-4.0-37-dbgsym" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libwebkit2gtk-4.0-37-gtk2" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libwebkit2gtk-4.0-dev" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "libwebkit2gtk-4.0-doc" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "webkit2gtk-driver" }, { "binary_version": "2.32.3-0ubuntu0.18.04.1", "binary_name": "webkit2gtk-driver-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "gir1.2-javascriptcoregtk-4.0" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "gir1.2-webkit2-4.0" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libjavascriptcoregtk-4.0-18" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libjavascriptcoregtk-4.0-18-dbgsym" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libjavascriptcoregtk-4.0-bin" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libjavascriptcoregtk-4.0-bin-dbgsym" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libjavascriptcoregtk-4.0-dev" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libwebkit2gtk-4.0-37" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libwebkit2gtk-4.0-37-dbgsym" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libwebkit2gtk-4.0-37-gtk2" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libwebkit2gtk-4.0-dev" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "libwebkit2gtk-4.0-doc" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "webkit2gtk-driver" }, { "binary_version": "2.32.3-0ubuntu0.20.04.1", "binary_name": "webkit2gtk-driver-dbgsym" } ] }