This indicates an attempt to exploit a buffer-overflow vulnerability in Ghostscript.
The vulnerability is caused by a boundary-check error when the vulnerable software opens a crafted .ps file. A successful exploit allows a remote attacker to execute arbitrary code.
Ghostscript 8.61 and earlier.
System Compromise: Remote attackers can gain control of vulnerable systems.
The vendor has issued a fix. Please refer to the vendor's website for the suggested workaround: