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gentoo-overlay/metadata/glsa/glsa-200801-20.xml

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<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200801-20">
<title>libxml2: Denial of Service</title>
<synopsis>
A Denial of Service vulnerability has been reported in libxml2.
</synopsis>
<product type="ebuild">libxml2</product>
<announced>January 30, 2008</announced>
<revised>January 30, 2008: 01</revised>
<bug>202628</bug>
<access>remote</access>
<affected>
<package name="dev-libs/libxml2" auto="yes" arch="*">
<unaffected range="ge">2.6.30-r1</unaffected>
<vulnerable range="lt">2.6.30-r1</vulnerable>
</package>
</affected>
<background>
<p>
libxml2 is the XML (eXtended Markup Language) C parser and toolkit
initially developed for the Gnome project.
</p>
</background>
<description>
<p>
Brad Fitzpatrick reported that the xmlCurrentChar() function does not
properly handle some UTF-8 multibyte encodings.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could entice a user to open a specially crafted XML
document with an application using libxml2, possibly resulting in a
high CPU consumption. Note that this vulnerability could also be
triggered without user interaction by an automated system processing
XML content.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All libxml2 users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/libxml2-2.6.30-r1&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6284">CVE-2007-6284</uri>
</references>
<metadata tag="requester" timestamp="Sat, 12 Jan 2008 01:14:43 +0000">
rbu
</metadata>
<metadata tag="submitter" timestamp="Mon, 28 Jan 2008 19:48:32 +0000">
p-y
</metadata>
<metadata tag="bugReady" timestamp="Mon, 28 Jan 2008 19:48:45 +0000">
p-y
</metadata>
</glsa>