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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201701-56">
  <title>zlib: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in zlib, the worst of
    which could allow attackers to cause a Denial of Service condition.
  </synopsis>
  <product type="ebuild">zlib</product>
  <announced>2017-01-23</announced>
  <revised>2017-01-23: 1</revised>
  <bug>601828</bug>
  <access>local, remote</access>
  <affected>
    <package name="sys-libs/zlib" auto="yes" arch="*">
      <unaffected range="ge">1.2.9</unaffected>
      <vulnerable range="lt">1.2.9</vulnerable>
    </package>
  </affected>
  <background>
    <p>zlib is a widely used free and patent unencumbered data compression
      library.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in zlib. Please review the
      CVE identifiers referenced below for details.
    </p>
  </description>
  <impact type="normal">
    <p>An attacker could cause a Denial of Service condition.</p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All zlib users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=sys-libs/zlib-1.2.9"
    </code>
  </resolution>
  <references>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9840">CVE-2016-9840</uri>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9841">CVE-2016-9841</uri>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9842">CVE-2016-9842</uri>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9843">CVE-2016-9843</uri>
  </references>
  <metadata tag="requester" timestamp="2017-01-16T18:59:28Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2017-01-23T03:40:28Z">b-man</metadata>
</glsa>