<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201701-21"> <title>Expat: Multiple vulnerabilities</title> <synopsis>Multiple vulnerabilities have been found in Expat, the worst of which may allow execution of arbitrary code. </synopsis> <product type="ebuild">expat</product> <announced>2017-01-11</announced> <revised count="1">2017-01-11</revised> <bug>458742</bug> <bug>555642</bug> <bug>577928</bug> <bug>583268</bug> <bug>585510</bug> <access>remote</access> <affected> <package name="dev-libs/expat" auto="yes" arch="*"> <unaffected range="ge">2.2.0-r1</unaffected> <vulnerable range="lt">2.2.0-r1</vulnerable> </package> </affected> <background> <p>Expat is a set of XML parsing libraries.</p> </background> <description> <p>Multiple vulnerabilities have been discovered in Expat. Please review the CVE identifiers referenced below for details. </p> </description> <impact type="normal"> <p>A remote attacker, by enticing a user to process a specially crafted XML file, could execute arbitrary code with the privileges of the process or cause a Denial of Service condition. This attack could also be used against automated systems that arbitrarily process XML files. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All Expat users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.2.0-r1" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6702">CVE-2012-6702</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0340">CVE-2013-0340</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1283">CVE-2015-1283</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0718">CVE-2016-0718</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4472">CVE-2016-4472</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5300">CVE-2016-5300</uri> </references> <metadata tag="requester" timestamp="2015-12-31T03:24:00Z"> BlueKnight </metadata> <metadata tag="submitter" timestamp="2017-01-11T12:13:03Z">whissi</metadata> </glsa>