The hpssd message parser in hpssd.py in HP Linux Imaging and Printing (HPLIP) 1.6.7 allows local users to cause a denial of service (process stop) via a crafted packet, as demonstrated by sending "msg=0" to TCP port 2207.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-2941)