Untrusted search path vulnerability in the Gentoo package of Xpdf before 3.02-r2 allows local users to gain privileges via a Trojan horse xpdfrc file in the current working directory, related to an unset SYSTEM_XPDFRC macro in a Gentoo build process that uses the poppler library.
http://www.securityfocus.com/bid/34401
http://security.gentoo.org/glsa/glsa-200904-07.xml
http://secunia.com/advisories/34610