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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="200903-19">
+ <title>Xerces-C++: Denial of Service</title>
+ <synopsis>
+ An error in Xerces-C++ allows for a Denial of Service via malicious XML
+ schema files.
+ </synopsis>
+ <product type="ebuild">xerces-c</product>
+ <announced>March 09, 2009</announced>
+ <revised>March 09, 2009: 01</revised>
+ <bug>240496</bug>
+ <access>remote</access>
+ <affected>
+ <package name="dev-libs/xerces-c" auto="yes" arch="*">
+ <unaffected range="ge">3.0.0-r1</unaffected>
+ <vulnerable range="lt">3.0.0-r1</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ Xerces-C++ is a validating XML parser written in a portable subset of
+ C++.
+ </p>
+ </background>
+ <description>
+ <p>
+ Frank Rast reported that the XML parser in Xerces-C++ does not
+ correctly handle an XML schema definition with a large maxOccurs value,
+ which triggers excessive memory consumption during the validation of an
+ XML file.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could entice a user or automated system to validate
+ an XML file using a specially crafted XML schema file, leading to a
+ Denial of Service (stack consumption and crash).
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All Xerces-C++ users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/xerces-c-3.0.0-r1&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4482">CVE-2008-4482</uri>
+ </references>
+ <metadata tag="requester" timestamp="Sun, 11 Jan 2009 17:39:39 +0000">
+ falco
+ </metadata>
+ <metadata tag="submitter" timestamp="Thu, 12 Feb 2009 18:13:38 +0000">
+ rbu
+ </metadata>
+ <metadata tag="bugReady" timestamp="Thu, 12 Feb 2009 18:13:55 +0000">
+ rbu
+ </metadata>
+</glsa>