WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit, as used in WebKitGTK+ prior to version 2.20.0 or without libsoup 2.62.0, unexpectedly failed to use system proxy settings for WebSocket connections. As a result, users could be deanonymized by crafted web sites via a WebSocket connection.
{
"unresolved_ranges": [
{
"source": "CPE_FIELD",
"extracted_events": [
{
"fixed": "2.20.0"
}
],
"cpe": "cpe:2.3:a:webkitgtk:webkitgtk\\+:*:*:*:*:*:*:*:*"
}
]
}