“March 23, 2005, (Mountain View, CA). The Mozilla Foundation, a non-profit organization dedicated to preserving choice and promoting innovation on the Internet, today announced a security update for its Firefox Web browser. The update is a proactive security release to patch a bug identified by Internet Security Systems, a premier security research, products, and services company. No known exploits of the bug have been reported prior to the update’s release.”
This is a security update, so get on it! You may have a Red arrow near the Min/Maximize buttons. If so, you can simply click it to update it. If not, head to the official Mozilla site to grab it.