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://www.videolan.org/security/sa0901.html
http://www.vuxml.org/freebsd/3149ab1c-c8b9-11de-b87b-0011098ad87f.html
Insight
The following package is affected: vlc