<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201908-02">
  <title>libpng: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in libpng, the worst of
    which could result in a Denial of Service condition.
  </synopsis>
  <product type="ebuild">libpng</product>
  <announced>2019-08-03</announced>
  <revised count="1">2019-08-03</revised>
  <bug>683366</bug>
  <access>remote</access>
  <affected>
    <package name="media-libs/libpng" auto="yes" arch="*">
      <unaffected range="ge" slot="0">1.6.37</unaffected>
      <vulnerable range="lt" slot="0">1.6.37</vulnerable>
    </package>
  </affected>
  <background>
    <p>libpng is a standard library used to process PNG (Portable Network
      Graphics) images. It is used by several programs, including web browsers
      and potentially server processes.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in libpng. 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 PNG
      file, could cause a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All libpng users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=media-libs/libpng-1.6.37"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-14048">CVE-2018-14048</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-14550">CVE-2018-14550</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-7317">CVE-2019-7317</uri>
  </references>
  <metadata tag="requester" timestamp="2019-04-27T06:35:05Z">BlueKnight</metadata>
  <metadata tag="submitter" timestamp="2019-08-03T11:26:12Z">b-man</metadata>
</glsa>
