<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201711-01"> <title>libxml2: Multiple vulnerabilities</title> <synopsis>Multiple vulnerabilities have been found in libxml2, the worst of which could result in the execution of arbitrary code. </synopsis> <product type="ebuild">libxml2</product> <announced>2017-11-10</announced> <revised count="2">2017-11-10</revised> <bug>599192</bug> <bug>605208</bug> <bug>618604</bug> <bug>622914</bug> <bug>623206</bug> <access>remote</access> <affected> <package name="dev-libs/libxml2" auto="yes" arch="*"> <unaffected range="ge">2.9.4-r3</unaffected> <vulnerable range="lt">2.9.4-r3</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>Multiple vulnerabilities have been discovered in libxml2. 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 document, could remotely execute arbitrary code, conduct XML External Entity (XXE) attacks, or cause a Denial of Service condition. </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 ">=dev-libs/libxml2-2.9.4-r3" </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="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9318"> CVE-2016-9318 </uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-0663"> CVE-2017-0663 </uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5969"> CVE-2017-5969 </uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7375"> CVE-2017-7375 </uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9047"> CVE-2017-9047 </uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9048"> CVE-2017-9048 </uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9049"> CVE-2017-9049 </uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-9050"> CVE-2017-9050 </uri> </references> <metadata tag="requester" timestamp="2017-10-15T04:17:50Z">chrisadr</metadata> <metadata tag="submitter" timestamp="2017-11-10T02:24:16Z">b-man</metadata> </glsa>