| Name | CVE-2019-8375 |
| Description | 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). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| webkit2gtk (PTS) | buster | 2.36.4-1~deb10u1 | fixed |
| buster (security) | 2.38.6-0+deb10u1 | fixed | |
| bullseye | 2.40.5-1~deb11u1 | fixed | |
| bullseye (security) | 2.42.2-1~deb11u1 | fixed | |
| bookworm, bookworm (security) | 2.42.2-1~deb12u1 | fixed | |
| sid, trixie | 2.42.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| webkit2gtk | source | (unstable) | 2.24.1-1 | unimportant |
https://github.com/WebKit/webkit/commit/6f9b511a115311b13c06eb58038ddc2c78da5531
https://trac.webkit.org/changeset/241515/webkit
https://www.inputzero.io/2019/02/fuzzing-webkit.html
Not covered by security support