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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201401-07">
<title>libxslt: Denial of Service</title>
<synopsis>Multiple Denial of Service vulnerabilities have been found in
libxslt.
</synopsis>
<product type="ebuild">libxslt</product>
<announced>January 10, 2014</announced>
<revised>January 10, 2014: 1</revised>
<bug>433603</bug>
<bug>436284</bug>
<bug>463236</bug>
<bug>496114</bug>
<access>remote</access>
<affected>
<package name="dev-libs/libxslt" auto="yes" arch="*">
<unaffected range="ge">1.1.28</unaffected>
<vulnerable range="lt">1.1.28</vulnerable>
</package>
</affected>
<background>
<p>libxslt is the XSLT C library developed for the GNOME project. XSLT is
an XML language to define transformations for XML.
</p>
</background>
<description>
<p>Multiple vulnerabilities have been found in libxslt:</p>
<ul>
<li>Multiple errors exist in pattern.c and functions.c (CVE-2012-2870,
CVE-2012-6139).
</li>
<li>A double-free error exists in templates.c (CVE-2012-2893).</li>
<li>A NULL pointer dereference in keys.c (CVE-2012-6139).</li>
<li>An error in handling stylesheets containing DTDs (CVE-2013-4520).</li>
</ul>
</description>
<impact type="normal">
<p>A remote attacker could entice a user to process a specially crafted
file in an application linked against libxslt, possibly resulting in a
Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All libxslt users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=dev-libs/libxslt-1.1.28"
</code>
<p>Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these packages.
</p>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2870">CVE-2012-2870</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2893">CVE-2012-2893</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6139">CVE-2012-6139</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4520">CVE-2013-4520</uri>
</references>
<metadata tag="requester" timestamp="Sun, 30 Sep 2012 01:49:44 +0000">ackle</metadata>
<metadata tag="submitter" timestamp="Fri, 10 Jan 2014 14:13:14 +0000">ackle</metadata>
</glsa>