Client crash (Epilepsy alert)

[llaya [LayaElisabeth]]

What: Client crash with flashing screen.
 

Spoiler

How:
-type "Wither" in your NEI.
-Click the wither skull to pull up the recipe.
-Scroll to the right to get the "Mob Drops" tab.
-Your game now goes black, leaving a small square, after which your screen comes back but starts flashing wildly like a stroboscope and then crashes your client (in the small square that remains you'll see parts of a text that indicates your game already crashed even though the flashing screen around the square suggests you're still ingame)

Witness: ItsDaryl followed those steps and crashed too.

Report:

https://pastebin.com/Gpawhust
https://pastebin.com/PjSg4rc8


I know this is a channel for Server problems, but i have no clue what's causing this or how to solve it, and this appearantly can happen to other people than just me.

[animeartist88]

Same thing keeps happening to me except with searching "ender" in JEI and clicking ender pearls. Same issue, clicking or scrolling to the Mob Drops tab crashes the client, with the same small box and rapid flashing. The tiny box in the center only goes away with a restart of MC or a lucky click of one of the bars on the title screen (which, mind you, you can't see all of them much less read them). It's happened twice now. Tried it in singleplayer and was fine, so I assume it must be something server-side.