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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202012-20">
<title>Mozilla Firefox, Mozilla Thunderbird: Multiple vulnerabilities</title>
<synopsis>Multiple vulnerabilities have been found in Mozilla Firefox and
Mozilla Thunderbird, the worst of which could result in the arbitrary
execution of code.
</synopsis>
<product type="ebuild">firefox,thunderbird</product>
<announced>2020-12-23</announced>
<revised count="1">2020-12-23</revised>
<bug>759097</bug>
<access>local, remote</access>
<affected>
<package name="www-client/firefox" auto="yes" arch="*">
<unaffected range="ge" slot="0/esr78">78.6.0</unaffected>
<unaffected range="ge">84.0</unaffected>
<vulnerable range="lt">84.0</vulnerable>
</package>
<package name="www-client/firefox-bin" auto="yes" arch="*">
<unaffected range="ge" slot="0/esr78">78.6.0</unaffected>
<unaffected range="ge">84.0</unaffected>
<vulnerable range="lt">84.0</vulnerable>
</package>
<package name="mail-client/thunderbird" auto="yes" arch="*">
<unaffected range="ge">78.6.0</unaffected>
<vulnerable range="lt">78.6.0</vulnerable>
</package>
<package name="mail-client/thunderbird-bin" auto="yes" arch="*">
<unaffected range="ge">78.6.0</unaffected>
<vulnerable range="lt">78.6.0</vulnerable>
</package>
</affected>
<background>
<p>Mozilla Firefox is a popular open-source web browser from the Mozilla
project.
</p>
<p>Mozilla Thunderbird is a popular open-source email client from the
Mozilla project.
</p>
</background>
<description>
<p>Multiple vulnerabilities have been discovered in Mozilla Firefox and
Mozilla Thunderbird. Please review the CVE identifiers referenced below
for details.
</p>
</description>
<impact type="normal">
<p>Please review the referenced CVE identifiers for details.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Mozilla Firefox users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-84.0"
</code>
<p>All Mozilla Firefox (bin) users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/firefox-bin-84.0"
</code>
<p>All Mozilla Firefox ESR users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose
">=www-client/firefox-78.6.0:0/esr78"
</code>
<p>All Mozilla Firefox ESR (bin) users should upgrade to the latest
version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose
">=www-client/firefox-bin-78.6.0:0/esr78"
</code>
<p>All Mozilla Thunderbird users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/thunderbird-78.6.0"
</code>
<p>All Mozilla Thunderbird (bin) users should upgrade to the latest
version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose
">=mail-client/thunderbird-bin-78.6.0"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-16042">CVE-2020-16042</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-26971">CVE-2020-26971</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-26973">CVE-2020-26973</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-26974">CVE-2020-26974</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-26978">CVE-2020-26978</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-35111">CVE-2020-35111</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-35113">CVE-2020-35113</uri>
<uri link="https://www.mozilla.org/en-US/security/advisories/mfsa2020-55/">
MFSA-2020-55
</uri>
<uri link="https://www.mozilla.org/en-US/security/advisories/mfsa2020-56/">
MFSA-2020-56
</uri>
</references>
<metadata tag="requester" timestamp="2020-12-22T22:07:43Z">whissi</metadata>
<metadata tag="submitter" timestamp="2020-12-23T19:56:47Z">whissi</metadata>
</glsa>
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