<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200609-04"> <title>LibXfont: Multiple integer overflows</title> <synopsis> A buffer overflow was discovered in the PCF font parser, potentially resulting in the execution of arbitrary code. </synopsis> <product type="ebuild">LibXfont</product> <announced>2006-09-06</announced> <revised count="01">2006-09-06</revised> <bug>144092</bug> <access>local</access> <affected> <package name="x11-libs/libXfont" auto="yes" arch="*"> <unaffected range="ge">1.2.0-r1</unaffected> <vulnerable range="lt">1.2.0-r1</vulnerable> </package> </affected> <background> <p> libXfont is the X.Org Xfont library, some parts are based on the FreeType code base. </p> </background> <description> <p> Several integer overflows have been found in the PCF font parser. </p> </description> <impact type="normal"> <p> A local attacker could possibly execute arbitrary code or crash the Xserver by enticing a user to load a specially crafted PCF font file. </p> </impact> <workaround> <p> Do not use untrusted PCF Font files. </p> </workaround> <resolution> <p> All libXfont users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.2.0-r1"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3467">CVE-2006-3467</uri> </references> <metadata tag="requester" timestamp="2006-08-31T17:04:06Z"> falco </metadata> <metadata tag="submitter" timestamp="2006-09-03T12:10:42Z"> daxomatic </metadata> <metadata tag="bugReady" timestamp="2006-09-05T19:36:43Z"> jaervosz </metadata> </glsa>