Add GLSA 201705-05

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="201705-05">
+  <title>FFmpeg: Multiple vulnerabilities</title>
+  <synopsis>Multiple vulnerabilities have been found in FFmpeg, the worst of
+    which allows remote attackers to execute arbitrary code.
+  </synopsis>
+  <product type="ebuild">ffmpeg</product>
+  <announced>2017-05-09</announced>
+  <revised>2017-05-09: 1</revised>
+  <bug>608868</bug>
+  <bug>610810</bug>
+  <access>remote</access>
+  <affected>
+    <package name="media-video/ffmpeg" auto="yes" arch="*">
+      <unaffected range="ge">3.2.4</unaffected>
+      <vulnerable range="lt">3.2.4</vulnerable>
+    </package>
+    <package name="media-plugins/gst-plugins-libav" auto="yes" arch="*">
+      <unaffected range="ge">1.10.4</unaffected>
+      <vulnerable range="lt">1.10.4</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>FFmpeg is a complete, cross-platform solution to record, convert and
+      stream audio and video.
+    </p>
+  </background>
+  <description>
+    <p>Multiple vulnerabilities have been discovered in FFmpeg. Please review
+      the CVE identifiers referenced below for details.
+    </p>
+    
+    <p>gst-plugins-libav is affected because this package is bundling a
+      vulnerable FFmpeg version.
+    </p>
+  </description>
+  <impact type="normal">
+    <p>A remote attacker could entice a user or automated system using FFmpeg
+      to process a specially crafted file, resulting in the execution of
+      arbitrary code or a Denial of Service.
+    </p>
+  </impact>
+  <workaround>
+    <p>There is no known workaround at this time.</p>
+  </workaround>
+  <resolution>
+    <p>All FFmpeg users should upgrade to the latest version:</p>
+    
+    <code>
+      # emerge --sync
+      # emerge --ask --oneshot --verbose "&gt;=media-video/ffmpeg-3.2.4"
+    </code>
+    
+    <p>All gst-plugins-libav users should upgrade to the latest version:</p>
+    
+    <code>
+      # emerge --sync
+      # emerge --ask --oneshot --verbose
+      "&gt;=media-plugins/gst-plugins-libav-1.10.4"
+    </code>
+    
+  </resolution>
+  <references>
+    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5024">CVE-2017-5024</uri>
+    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5025">CVE-2017-5025</uri>
+  </references>
+  <metadata tag="requester" timestamp="2017-05-07T18:51:14Z">whissi</metadata>
+  <metadata tag="submitter" timestamp="2017-05-09T19:30:37Z">whissi</metadata>
+</glsa>