How can I fix my buzzing Jaguar/Jazzmaster bridge?

This is a very common problem and complaint about the Fender Jaguar/Jazzmaster. One solution is to replace the bridge with a Mustang bridge. Mike Livesley wrote up a great article for jag-stang.com on the issue. Jaguar/Jazzmaster Bridge Mod

Also, Warmoth has even made a modified Mustang bridge that has adjustable saddle heights. [Warmoth Custom Mustang Bridge]