<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202003-59">
  <title>libvpx: User-assisted execution of arbitrary code</title>
  <synopsis>Multiple vulnerabilities have been found in libvpx, the worst of
    which could result in the execution of arbitrary code.
  </synopsis>
  <product type="ebuild">libvpx</product>
  <announced>2020-03-26</announced>
  <revised count="1">2020-03-26</revised>
  <bug>701834</bug>
  <access>local, remote</access>
  <affected>
    <package name="media-libs/libvpx" auto="yes" arch="*">
      <unaffected range="rge">1.7.0-r1</unaffected>
      <unaffected range="rge">1.8.1</unaffected>
      <vulnerable range="lt">1.8.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>libvpx is the VP8 codec SDK used to encode and decode video streams,
      typically within a WebM format media file.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in libvpx. Please review
      the CVE identifiers referenced below for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could entice a user to open a specially crafted media
      file, possibly resulting in the execution of arbitrary code with the
      privileges of the user running the application, or a Denial of Service.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All libvpx 1.7.x users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=media-libs/libvpx-1.7.0-r1"
    </code>
    
    <p>All libvpx 1.8.x users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=media-libs/libvpx-1.8.1"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-9232">CVE-2019-9232</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-9325">CVE-2019-9325</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-9371">CVE-2019-9371</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-9433">CVE-2019-9433</uri>
  </references>
  <metadata tag="requester" timestamp="2020-03-26T18:33:42Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2020-03-26T18:39:39Z">whissi</metadata>
</glsa>
