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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201207-02">
<title>libxml2: User-assisted execution of arbitrary code</title>
<synopsis>A off-by-one error in libxml2 could result in execution of
arbitrary code or Denial of Service.
<product type="ebuild">libxml2</product>
<announced>July 09, 2012</announced>
<revised>July 09, 2012: 1</revised>
<package name="dev-libs/libxml2" auto="yes" arch="*">
<unaffected range="ge">2.8.0_rc1</unaffected>
<vulnerable range="lt">2.8.0_rc1</vulnerable>
<p>libxml2 is the XML C parser and toolkit developed for the Gnome project.</p>
<p>The "xmlXPtrEvalXPtrPart()" function in xpointer.c contains an
off-by-one error.
<impact type="normal">
<p>A remote attacker could entice a user or automated system to open a
specially crafted XML document with an application using libxml2,
possibly resulting in execution of arbitrary code or a Denial of Service
<p>There is no known workaround at this time.</p>
<p>All libxml2 users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=dev-libs/libxml2-2.8.0_rc1"
<uri link="">CVE-2011-3102</uri>
<metadata timestamp="Tue, 29 May 2012 22:42:30 +0000" tag="requester">
<metadata timestamp="Mon, 09 Jul 2012 22:09:24 +0000" tag="submitter">ackle</metadata>