A STUN server in conjunction with a large number of “webkitRTCPeerConnection” objects can be used to send large STUN packets in a short period of time due to a lack of rate limiting being applied on e10s systems, allowing for a denial of service attack. This vulnerability affects Firefox < 51.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "51",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]