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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200909-02">
+ <title>libvorbis: User-assisted execution of arbitrary code</title>
+ <synopsis>
+ A processing error in libvorbis might result in the execution of arbitrary
+ code or a Denial of Service.
+ </synopsis>
+ <product type="ebuild">libvorbis</product>
+ <announced>2009-09-07</announced>
+ <revised count="01">2009-09-07</revised>
+ <bug>280590</bug>
+ <access>remote</access>
+ <affected>
+ <package name="media-libs/libvorbis" auto="yes" arch="*">
+ <unaffected range="ge">1.2.3</unaffected>
+ <vulnerable range="lt">1.2.3</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ libvorbis is the reference implementation of the Xiph.org Ogg Vorbis
+ audio file format. It is used by many applications for playback of Ogg
+ Vorbis files.
+ </p>
+ </background>
+ <description>
+ <p>
+ Lucas Adamski reported that libvorbis does not correctly process file
+ headers, related to static mode headers and encoding books.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could entice a user to play a specially crafted OGG
+ Vorbis file using an application that uses libvorbis, 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 libvorbis users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=media-libs/libvorbis-1.2.3"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2663">CVE-2009-2663</uri>
+ </references>
+ <metadata tag="requester" timestamp="2009-08-31T02:17:32Z">
+ a3li
+ </metadata>
+ <metadata tag="submitter" timestamp="2009-08-31T02:42:12Z">
+ a3li
+ </metadata>
+ <metadata tag="bugReady" timestamp="2009-08-31T03:38:56Z">
+ a3li
+ </metadata>
+</glsa>