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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="202105-33">
+  <title>containerd: Multiple vulnerabilities</title>
+  <synopsis>Multiple vulnerabilities have been found in containerd, the worst
+    of which could result in privilege escalation.
+  </synopsis>
+  <product type="ebuild">containerd</product>
+  <announced>2021-05-26</announced>
+  <revised count="1">2021-05-26</revised>
+  <bug>758137</bug>
+  <bug>775329</bug>
+  <access>local</access>
+  <affected>
+    <package name="app-emulation/containerd" auto="yes" arch="*">
+      <unaffected range="ge">1.4.4</unaffected>
+      <vulnerable range="lt">1.4.4</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>Containerd is a daemon with an API and a command line client, to manage
+      containers on one machine. It uses runC to run containers according to
+      the OCI specification.
+    </p>
+  </background>
+  <description>
+    <p>Multiple vulnerabilities have been discovered in containerd. Please
+      review the CVE identifiers referenced below for details.
+    </p>
+  </description>
+  <impact type="high">
+    <p>A local attacker, able to run a malicious container in the same network
+      namespace as the shim, could possibly escalate privileges. Furthermore,
+      an attacker could disclose sensitive information.
+    </p>
+  </impact>
+  <workaround>
+    <p>There is no known workaround at this time.</p>
+  </workaround>
+  <resolution>
+    <p>All containerd users should upgrade to the latest version:</p>
+    
+    <code>
+      # emerge --sync
+      # emerge --ask --oneshot --verbose "&gt;=app-emulation/containerd-1.4.4"
+    </code>
+    
+  </resolution>
+  <references>
+    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-15257">CVE-2020-15257</uri>
+    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-21334">CVE-2021-21334</uri>
+  </references>
+  <metadata tag="requester" timestamp="2021-05-25T19:40:34Z">whissi</metadata>
+  <metadata tag="submitter" timestamp="2021-05-26T10:13:09Z">whissi</metadata>
+</glsa>