Summary
The remote host is missing an update as announced
via advisory SSA:2007-275-01.
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2007-275-01
Insight
A new pidgin package is available for Slackware 12.0 to fix a minor fix security issue.
More details about this issue may be found here:
http://www.pidgin.im/news/security/?id=23