Ghostscript 8.71 and earlier reads initialization files from the current working directory, which allows local users to execute arbitrary PostScript commands via a Trojan horse file, related to improper support for the -P- option to the gs program.
ghostscript-9.00-alt1 -> sisyphus: * Tue Oct 26 2010 Vitaly Kuznetsov <vitty@altlinux> 9.00-alt1 - 9.00 - CVE-2010-2055 (ALT #24292)