Spawning an ocelot crash the game, and corrupt the world

Confirmed. Here is my report file if it helps :

Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 13/03/14 15:47
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
at vr.a(SourceFile:62)
at ue.bu(SourceFile:443)
at ud.e(SourceFile:1380)
at ue.e(SourceFile:313)
at tg.e(SourceFile:119)
at xt.e(SourceFile:34)
at ud.j(SourceFile:1248)
at ue.j(SourceFile:186)
at akh.a(SourceFile:1343)
at nz.a(SourceFile:528)
at akh.g(SourceFile:1321)
at akh.i(SourceFile:1226)
at nz.i(SourceFile:401)
at net.minecraft.server.MinecraftServer.w(SourceFile:547)
at net.minecraft.server.MinecraftServer.v(SourceFile:481)
at cek.v(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:397)
at mq.run(SourceFile:667)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Stacktrace:
at vr.a(SourceFile:62)
at ue.bu(SourceFile:443)
at ud.e(SourceFile:1380)
at ue.e(SourceFile:313)
at tg.e(SourceFile:119)
at xt.e(SourceFile:34)
at ud.j(SourceFile:1248)
at ue.j(SourceFile:186)
at akh.a(SourceFile:1343)
at nz.a(SourceFile:528)
at akh.g(SourceFile:1321)

– Entity being ticked –
Details:
Entity Type: Ozelot (yb)
Entity ID: 345110
Entity Name: Ocelot
Entity's Exact location: -326,50, 4,00, 1014,50
Entity's Block location: -327,00,4,00,1014,00 - World: (-327,4,1014), Chunk: (at 9,0,6 in -21,63; contains blocks -336,0,1008 to -321,255,1023), Region: (-1,1; contains chunks -32,32 to -1,63, blocks -512,0,512 to -1,255,1023)
Entity's Momentum: 0,00, 0,00, 0,00
Entity's Rider: ~_ERROR~ NullPointerException: null
Entity's Vehicle: ~_ERROR~ NullPointerException: null
Stacktrace:
at akh.i(SourceFile:1226)
at nz.i(SourceFile:401)

– Affected level –
Details:
Level name: 14w11a
All players: 1 total; [oc['JudgeDead_53'/23, l='14w11a', x=-325,97, y=4,00, z=1016,49]]
Chunk stats: ServerChunkCache: 455 Drop: 0
Level seed: 6423312881163960970
Level generator: ID 01 - flat, ver 0. Features enabled: true
Level generator options:
Level spawn location: -333,00,4,00,1026,00 - World: (-333,4,1026), Chunk: (at 3,0,2 in -21,64; contains blocks -336,0,1024 to -321,255,1039), Region: (-1,2; contains chunks -32,64 to -1,95, blocks -512,0,1024 to -1,255,1535)
Level time: 1060 game time, 1060 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 129265 (now: false), thunder time: 163111 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
at net.minecraft.server.MinecraftServer.w(SourceFile:547)
at net.minecraft.server.MinecraftServer.v(SourceFile:481)
at cek.v(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:397)
at mq.run(SourceFile:667)

– System Details –
Details:
Minecraft Version: 14w11a
Operating System: Linux (amd64) version 3.11.0-18-generic
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 217469624 bytes (207 MB) / 337641472 bytes (322 MB) up to 954728448 bytes (910 MB)
JVM Flags: 1 total; -Xmx1G
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Profiler Position: N/A (disabled)
Player Count: 1 / 8; [oc['JudgeDead_53'/23, l='14w11a', x=-325,97, y=4,00, z=1016,49]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

This also happened to me.