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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202003-63">
  <title>GNU IDN Library 2: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in GNU IDN Library 2, the
    worst of which could result in the remote execution of arbitrary code.
  </synopsis>
  <product type="ebuild">libidn2</product>
  <announced>2020-03-30</announced>
  <revised count="1">2020-03-30</revised>
  <bug>697752</bug>
  <access>local, remote</access>
  <affected>
    <package name="net-dns/libidn2" auto="yes" arch="*">
      <unaffected range="ge">2.2.0</unaffected>
      <vulnerable range="lt">2.2.0</vulnerable>
    </package>
  </affected>
  <background>
    <p>GNU IDN Library 2 is an implementation of the IDNA2008 + TR46
      specifications (RFC 5890, RFC 5891, RFC 5892, RFC 5893, TR 46).
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in GNU IDN Library 2.
      Please review the CVE identifiers referenced below for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could send specially crafted input, possibly resulting
      in execution of arbitrary code with the privileges of the process,
      impersonation of domains or a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All GNU IDN Library 2 users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-dns/libidn2-2.2.0"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-12290">CVE-2019-12290</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-18224">CVE-2019-18224</uri>
  </references>
  <metadata tag="requester" timestamp="2020-03-30T14:23:33Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2020-03-30T14:45:26Z">whissi</metadata>
</glsa>