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.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "firefox-locale-nl": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-kn": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-gl": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-sv": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-eo": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-fy": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-or": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-az": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-lt": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-hy": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-kk": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-km": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-uk": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-sr": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ca": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-is": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-dbg": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-testsuite": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ga": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-it": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ja": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-lg": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ms": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-dev": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-mozsymbols": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ko": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-hr": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-mai": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-nb": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-zh-hans": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-vi": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-he": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-sw": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-el": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-oc": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-xh": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-nn": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ar": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-csb": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-cs": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-gn": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-hsb": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-zu": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ro": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-globalmenu": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-af": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-nso": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-sk": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-si": "51.0.1+build2-0ubuntu0.14.04.1", "firefox": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-cy": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-dbgsym": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-cak": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-sq": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-en": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-tr": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-br": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-et": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ast": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-th": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-da": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-fi": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ku": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-fa": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-mn": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ru": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-mk": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-bg": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-hu": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-gu": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-bn": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-kab": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ml": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-an": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-be": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-eu": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-fr": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-pa": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-as": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-lv": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-mr": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-bs": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-te": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ta": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-ka": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-id": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-gd": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-hi": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-uz": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-pl": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-es": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-de": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-zh-hant": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-pt": "51.0.1+build2-0ubuntu0.14.04.1", "firefox-locale-sl": "51.0.1+build2-0ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "firefox-locale-nl": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-kn": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-gl": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-sv": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-eo": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-fy": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-or": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-az": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-lt": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-hy": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-kk": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-km": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-uk": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-sr": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ca": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-is": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-dbg": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-testsuite": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ga": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-it": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ja": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-lg": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ms": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-dev": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-mozsymbols": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ko": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-hr": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-mai": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-nb": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-zh-hans": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-vi": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-he": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-sw": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-el": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-oc": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-xh": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-nn": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ar": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-csb": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-cs": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-gn": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-hsb": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-zu": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ro": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-globalmenu": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-af": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-nso": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-sk": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-si": "51.0.1+build2-0ubuntu0.16.04.1", "firefox": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-cy": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-dbgsym": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-cak": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-sq": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-en": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-tr": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-br": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-et": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ast": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-th": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-da": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-fi": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ku": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-fa": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-mn": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ru": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-mk": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-bg": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-hu": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-gu": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-bn": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-kab": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ml": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-an": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-be": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-eu": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-fr": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-pa": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-as": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-lv": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-mr": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-bs": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-te": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ta": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-ka": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-id": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-gd": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-hi": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-uz": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-pl": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-es": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-de": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-zh-hant": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-pt": "51.0.1+build2-0ubuntu0.16.04.1", "firefox-locale-sl": "51.0.1+build2-0ubuntu0.16.04.1" } ] }