<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201711-01">
  <title>libxml2: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in libxml2, the worst of
    which could result in the execution of arbitrary code.
  </synopsis>
  <product type="ebuild">libxml2</product>
  <announced>2017-11-10</announced>
  <revised count="2">2017-11-10</revised>
  <bug>599192</bug>
  <bug>605208</bug>
  <bug>618604</bug>
  <bug>622914</bug>
  <bug>623206</bug>
  <access>remote</access>
  <affected>
    <package name="dev-libs/libxml2" auto="yes" arch="*">
      <unaffected range="ge">2.9.4-r3</unaffected>
      <vulnerable range="lt">2.9.4-r3</vulnerable>
    </package>
  </affected>
  <background>
    <p>libxml2 is the XML (eXtended Markup Language) C parser and toolkit
      initially developed for the Gnome project.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in libxml2. Please review
      the CVE identifiers referenced below for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker, by enticing a user to process a specially crafted XML
      document, could remotely execute arbitrary code, conduct XML External
      Entity (XXE) attacks, or cause a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All libxml2 users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-libs/libxml2-2.9.4-r3"
    </code>
    
    <p>Packages which depend on this library may need to be recompiled. Tools
      such as revdep-rebuild may assist in identifying some of these packages.
    </p>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9318">
      CVE-2016-9318
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-0663">
      CVE-2017-0663
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5969">
      CVE-2017-5969
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7375">
      CVE-2017-7375
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9047">
      CVE-2017-9047
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9048">
      CVE-2017-9048
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9049">
      CVE-2017-9049
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9050">
      CVE-2017-9050
    </uri>
  </references>
  <metadata tag="requester" timestamp="2017-10-15T04:17:50Z">chrisadr</metadata>
  <metadata tag="submitter" timestamp="2017-11-10T02:24:16Z">b-man</metadata>
</glsa>
