Xpdf is vulnerable to integer overflows that may be exploited to execute arbitrary code. Solution: apply this patch to xpdf-3.01: http://www.gentoo.org/cgi-bin/viewcvs.cgi/*checkout*/app-text/xpdf/files/xpdf-3.01-sec-rollup.patch More information: http://www.gentoo.org/security/en/glsa/glsa-200601-17.xml Yaakov