A null pointer dereference due to receiving a short packet for a direct
connection in the MSN code could potentially cause a denial of service.

Packages for 2009.0 are provided as of the Extended Maintenance
Program. Please visit this link to learn more:
http://store.mandriva.com/product_info.php?cPath=149&products_id=490

This update provides pidgin 2.7.8 that has been patched to address
this flaw.