In the previous mitigations for Spectre, the resolution or precision of various methods was reduced to counteract the ability to measure precise time intervals. In that work PerformanceNavigationTiming was not adjusted but it was found that it could be used as a precision timer. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, and Firefox < 61.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "firefox-locale-de": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-nl": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-kn": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-gl": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-fy": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-eo": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-km": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-or": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-az": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-lt": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-hy": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-kk": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-sv": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-uk": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-sr": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ca": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-is": "61.0+build3-0ubuntu0.14.04.2", "firefox-dbg": "61.0+build3-0ubuntu0.14.04.2", "firefox-testsuite": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ne": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ga": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-it": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ja": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-lg": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ms": "61.0+build3-0ubuntu0.14.04.2", "firefox-dev": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ia": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ko": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-hr": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-mai": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-nb": "61.0+build3-0ubuntu0.14.04.2", "firefox-mozsymbols": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-vi": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-zh-hans": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-he": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-sw": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-el": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-oc": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-xh": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-nn": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ar": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-csb": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-cs": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-gn": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-hsb": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-zu": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-my": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ro": "61.0+build3-0ubuntu0.14.04.2", "firefox-globalmenu": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-nso": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-af": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-sk": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-si": "61.0+build3-0ubuntu0.14.04.2", "firefox": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-cy": "61.0+build3-0ubuntu0.14.04.2", "firefox-dbgsym": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-cak": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-sq": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-en": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-tr": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-br": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-et": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ast": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-th": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-da": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-fi": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ku": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-fa": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-mn": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ru": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-mk": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-bg": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-hu": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-gu": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-bn": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-kab": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ml": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-an": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-be": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-eu": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-fr": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-pa": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-as": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-lv": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-mr": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-bs": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-te": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-id": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ka": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ta": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-gd": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-zh-hant": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-uz": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-hi": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-es": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-sl": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-pl": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-pt": "61.0+build3-0ubuntu0.14.04.2", "firefox-locale-ur": "61.0+build3-0ubuntu0.14.04.2" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "firefox-locale-de": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-nl": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-kn": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-gl": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-fy": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-eo": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-km": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-or": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-az": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-lt": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-hy": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-kk": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-sv": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-uk": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-sr": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ca": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-is": "61.0+build3-0ubuntu0.16.04.2", "firefox-dbg": "61.0+build3-0ubuntu0.16.04.2", "firefox-testsuite": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ne": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ga": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-it": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ja": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-lg": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ms": "61.0+build3-0ubuntu0.16.04.2", "firefox-dev": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ia": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ko": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-hr": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-mai": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-nb": "61.0+build3-0ubuntu0.16.04.2", "firefox-mozsymbols": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-vi": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-zh-hans": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-he": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-sw": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-el": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-oc": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-xh": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-nn": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ar": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-csb": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-cs": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-gn": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-hsb": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-zu": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-my": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ro": "61.0+build3-0ubuntu0.16.04.2", "firefox-globalmenu": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-nso": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-af": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-sk": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-si": "61.0+build3-0ubuntu0.16.04.2", "firefox": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-cy": "61.0+build3-0ubuntu0.16.04.2", "firefox-dbgsym": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-cak": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-sq": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-en": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-tr": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-br": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-et": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ast": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-th": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-da": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-fi": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ku": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-fa": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-mn": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ru": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-mk": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-bg": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-hu": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-gu": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-bn": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-kab": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ml": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-an": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-be": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-eu": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-fr": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-pa": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-as": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-lv": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-mr": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-bs": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-te": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-id": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ka": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ta": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-gd": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-zh-hant": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-uz": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-hi": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-es": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-sl": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-pl": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-pt": "61.0+build3-0ubuntu0.16.04.2", "firefox-locale-ur": "61.0+build3-0ubuntu0.16.04.2" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "firefox-locale-de": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-nl": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-kn": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-gl": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-fy": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-eo": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-km": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-or": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-az": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-lt": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-hy": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-kk": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-sv": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-uk": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-sr": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ca": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-is": "61.0+build3-0ubuntu0.18.04.1", "firefox-dbg": "61.0+build3-0ubuntu0.18.04.1", "firefox-testsuite": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ne": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ga": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-it": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ja": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-lg": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ms": "61.0+build3-0ubuntu0.18.04.1", "firefox-dev": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ia": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ko": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-hr": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-mai": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-nb": "61.0+build3-0ubuntu0.18.04.1", "firefox-mozsymbols": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-vi": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-zh-hans": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-he": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-sw": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-el": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-oc": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-xh": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-nn": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ar": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-csb": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-cs": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-gn": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-hsb": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-zu": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-my": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ro": "61.0+build3-0ubuntu0.18.04.1", "firefox-globalmenu": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-nso": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-af": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-sk": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-si": "61.0+build3-0ubuntu0.18.04.1", "firefox": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-cy": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-fa": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-cak": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-sq": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-en": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-tr": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-br": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-et": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ast": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-th": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-da": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-fi": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ku": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-mn": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ru": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-mk": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-bg": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-hu": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-gu": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-bn": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-kab": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ml": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-an": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-be": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-eu": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-fr": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-pa": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-as": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ta": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-mr": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-gd": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-te": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-id": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ka": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-lv": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-bs": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-zh-hant": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-uz": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-hi": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-es": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-sl": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-pl": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-pt": "61.0+build3-0ubuntu0.18.04.1", "firefox-locale-ur": "61.0+build3-0ubuntu0.18.04.1" } ] }