Crash Exploit Fixer Mod (1.21.5, 1.20.1) is an essential tool for Minecraft server administrators, providing a robust solution to a server crash exploit that has been inadequately patched by Mojang in Minecraft 1.21.1.

Features:

  • Addresses an issue that allows malicious players to crash a server immediately upon joining.
  • The exploit is present in all versions between 1.14.4 and 1.21, with the issue likely originating in a 1.13 snapshot.
  • Implements a small patch based on Paper’s tested logic, ensuring minimal impact on performance.

Screenshots:

Requires:

Minecraft Forge or Fabric API or Quilt Loader or NeoForge Installer

How to install:

How To Download & Install Mods with Minecraft Forge

How To Download & Install Fabric Mods

How To Download & Install The Quilt Loader

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Crash Exploit Fixer Mod (1.21.5, 1.20.1) Download Links

For All Versions from Minecraft 1.14.4 to Minecraft 1.20.1

Forge Version: Download from Server 1Download from Server 2

Fabric/Quilt Version: Download from Server 1Download from Server 2

For Minecraft 1.20.4, 1.20.3, 1.20.2

Forge Version: Download from Server 1 Download from Server 2

Fabric/Quilt Version: Download from Server 1Download from Server 2

NeoForge Version: Download from Server 1Download from Server 2

For All Versions from Minecraft 1.20.6 to Minecraft 1.21.4

Fabric/Quilt Version: Download from Server 1Download from Server 2

NeoForge Version: Download from Server 1Download from Server 2

For Minecraft 1.21.5

Fabric/Quilt Version: Download from Server 1Download from Server 2

NeoForge Version: Download from Server 1Download from Server 2

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