Video files loaded video captions cross-origin without checking for the presence of CORS headers permitting such cross-origin use, leading to potential information disclosure for video captions. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "52.0+build2-0ubuntu0.14.04.1"
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            "binary_name": "firefox-dev",
            "binary_version": "52.0+build2-0ubuntu0.14.04.1"
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            "binary_name": "firefox-globalmenu",
            "binary_version": "52.0+build2-0ubuntu0.14.04.1"
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            "binary_name": "firefox-mozsymbols",
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            "binary_name": "firefox-testsuite",
            "binary_version": "52.0+build2-0ubuntu0.14.04.1"
        }
    ]
}
          {
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "thunderbird",
            "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1"
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            "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1"
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            "binary_name": "thunderbird-globalmenu",
            "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1"
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            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1"
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            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1"
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            "binary_name": "thunderbird-testsuite",
            "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1"
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            "binary_name": "xul-ext-calendar-timezones",
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            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1"
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            "binary_name": "xul-ext-lightning",
            "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1"
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}
          {
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "52.0+build2-0ubuntu0.16.04.1"
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            "binary_name": "firefox-dev",
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            "binary_name": "firefox-globalmenu",
            "binary_version": "52.0+build2-0ubuntu0.16.04.1"
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            "binary_name": "firefox-mozsymbols",
            "binary_version": "52.0+build2-0ubuntu0.16.04.1"
        },
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            "binary_name": "firefox-testsuite",
            "binary_version": "52.0+build2-0ubuntu0.16.04.1"
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}
          {
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "thunderbird",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
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        {
            "binary_name": "thunderbird-dev",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
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            "binary_name": "thunderbird-globalmenu",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
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            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
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            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
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            "binary_name": "thunderbird-testsuite",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1"
        }
    ]
}