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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="202101-04">
+  <title>Mozilla Firefox: Remote code execution</title>
+  <synopsis>A use-after-free in Mozilla Firefox's SCTP handling may allow
+    remote code execution.
+  </synopsis>
+  <product type="ebuild">firefox,thunderbird</product>
+  <announced>2021-01-10</announced>
+  <revised count="1">2021-01-10</revised>
+  <bug>764161</bug>
+  <access>remote</access>
+  <affected>
+    <package name="www-client/firefox" auto="yes" arch="*">
+      <unaffected range="ge" slot="0/esr78">78.6.1</unaffected>
+      <unaffected range="ge">84.0.2</unaffected>
+      <vulnerable range="lt">84.0.2</vulnerable>
+    </package>
+    <package name="www-client/firefox-bin" auto="yes" arch="*">
+      <unaffected range="ge" slot="0/esr78">78.6.1</unaffected>
+      <unaffected range="ge">84.0.2</unaffected>
+      <vulnerable range="lt">84.0.2</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>Mozilla Firefox is a popular open-source web browser from the Mozilla
+      project.
+    </p>
+  </background>
+  <description>
+    <p>A use-after-free bug was discovered in Mozilla Firefox’s handling of
+      SCTP.
+    </p>
+  </description>
+  <impact type="normal">
+    <p>A remote attacker could possibly execute arbitrary code with the
+      privileges of the process, or cause a Denial of Service condition.
+    </p>
+  </impact>
+  <workaround>
+    <p>There is no known workaround at this time.</p>
+  </workaround>
+  <resolution>
+    <p>All Firefox ESR users should upgrade to the latest version:</p>
+    
+    <code>
+      # emerge --sync
+      # emerge --ask --oneshot --verbose
+      "&gt;=www-client/firefox-78.6.1:0/esr78"
+    </code>
+    
+    <p>All Firefox ESR binary users should upgrade to the latest version:</p>
+    
+    <code>
+      # emerge --sync
+      # emerge --ask --oneshot --verbose
+      "&gt;=www-client/firefox-bin-78.6.1:0/esr78"
+    </code>
+    
+    <p>All Firefox users should upgrade to the latest version:</p>
+    
+    <code>
+      # emerge --sync
+      # emerge --ask --oneshot --verbose "&gt;=www-client/firefox-84.0.2"
+    </code>
+    
+    <p>All Firefox binary users should upgrade to the latest version:</p>
+    
+    <code>
+      # emerge --sync
+      # emerge --ask --oneshot --verbose "&gt;=www-client/firefox-bin-84.0.2"
+    </code>
+    
+  </resolution>
+  <references>
+    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-16044">CVE-2020-16044</uri>
+    <uri link="https://www.mozilla.org/en-US/security/advisories/mfsa2021-01/">
+      MFSA-2021-01
+    </uri>
+  </references>
+  <metadata tag="requester" timestamp="2021-01-09T16:49:31Z">sam_c</metadata>
+  <metadata tag="submitter" timestamp="2021-01-10T09:20:31Z">sam_c</metadata>
+</glsa>