Summary
The remote host is missing an update to the system as announced in the referenced advisory.
Solution
Update your system with the appropriate patches or software upgrades.
http://wiki.pylonshq.com/display/pylonsdocs/0.9.6.2 http://www.vuxml.org/freebsd/f5c58fc1-49c0-11dd-b0ba-00163e000016.html
Insight
The following package is affected: py24-pylons