I noticed on several Forge Versions for Minecraft 1.7.2 a randomly generated crash.
Actually I'm using the recommended Forge 10.12.1.1060, but the error occurs again.
Sometimes the game runs over hours and hours, sometimes it crashes instantly while I'm moving in the world.
Here's my Minecraft Crash-Report:
http://pastebin.com/JqrERHFx
Some information about the mods I use, even if I don't use any of them (only Forge), or if I create a comlete new instance for minecraft (with forge) the crash randomly occurs.
Best regards, Baalith