{"id":"CVE-2019-8375","details":"The UIProcess subsystem in WebKit, as used in WebKitGTK through 2.23.90 and WebKitGTK+ through 2.22.6 and other products, does not prevent the script dialog size from exceeding the web view size, which allows remote attackers to cause a denial of service (Buffer Overflow) or possibly have unspecified other impact, related to UIProcess/API/gtk/WebKitScriptDialogGtk.cpp, UIProcess/API/gtk/WebKitScriptDialogImpl.cpp, and UIProcess/API/gtk/WebKitWebViewGtk.cpp, as demonstrated by GNOME Web (aka Epiphany).","modified":"2026-03-15T22:29:45.751694Z","published":"2019-02-24T13:29:00.357Z","related":["SUSE-SU-2019:0890-1","SUSE-SU-2019:1030-1","openSUSE-SU-2019:1206-1","openSUSE-SU-2024:11506-1"],"references":[{"type":"ADVISORY","url":"https://usn.ubuntu.com/3948-1/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00058.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00005.html"},{"type":"REPORT","url":"https://bugs.webkit.org/show_bug.cgi?id=184875"},{"type":"FIX","url":"https://trac.webkit.org/changeset/241515/webkit"},{"type":"FIX","url":"https://github.com/WebKit/webkit/commit/6f9b511a115311b13c06eb58038ddc2c78da5531"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/46465/"},{"type":"EVIDENCE","url":"https://www.inputzero.io/2019/02/fuzzing-webkit.html"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-8375.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2.23.90"}]},{"events":[{"introduced":"0"},{"last_affected":"2.22.6"}]},{"events":[{"introduced":"0"},{"last_affected":"15.0"}]},{"events":[{"introduced":"0"},{"last_affected":"42.3"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.10"}]},{"events":[{"introduced":"0"},{"last_affected":"2.23.90"}]},{"events":[{"introduced":"0"},{"last_affected":"2.22.6"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}