A day after rolling out the Mac OS X Mavericks 10.9.2 update, Apple today released the iTunes 11.1.5 update.
A minor update for both Mac OS X and Windows PCs, iTunes 11.1.5 addresses an issue that can cause iTunes to crash unexpectedly when an iDevice is connected.
You can download the update on OS X from the Mac App Store while Windows users can get the update from the Apple Software Update utility.
The official release notes on the Apple website.