http://www.slashcode.com/article.pl?sid=08/01/07/2314232
http://www.slashcode.com/article.pl?sid=08/01/04/1950244&tid=4
http://slashcode.cvs.sourceforge.net/slashcode/slash/Slash/Utility/Environment/Environment.pm?r1=1.223&r2=1.225
http://secunia.com/advisories/30551
http://marc.info/?l=oss-security&m=121260265427728&w=2
http://marc.info/?l=oss-security&m=121258731028005&w=2
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=484499