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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201507-01">
<title>chrony: Multiple vulnerabilities </title>
<synopsis>Multiple vulnerabilities have been found in chrony, the worst of
which can cause arbitrary code execution.
<product type="ebuild">chrony</product>
<announced>July 05, 2015</announced>
<revised>July 05, 2015: 1</revised>
<package name="net-misc/chrony" auto="yes" arch="*">
<unaffected range="ge">1.31.1</unaffected>
<vulnerable range="lt">1.31.1</vulnerable>
<p>chrony is a versatile implementation of the Network Time Protocol (NTP).</p>
<p>Multiple vulnerabilities have been discovered in chrony. Please review
the CVE identifiers referenced below for details.
<impact type="normal">
<p>A remote attacker can cause arbitrary remote code execution or Denial of
service condition.
<p>There is no known workaround at this time.</p>
<p>All chrony users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-misc/chrony-1.31.1"
<uri link="">CVE-2015-1821</uri>
<uri link="">CVE-2015-1822</uri>
<uri link="">CVE-2015-1853</uri>
<metadata tag="requester" timestamp="Wed, 13 May 2015 23:36:26 +0000">
<metadata tag="submitter" timestamp="Sun, 05 Jul 2015 16:16:15 +0000">Zlogene</metadata>