MC-254284

Sending chat packets with invalid message type id crashes the game

Resolved

Fixed

If (custom) server sends chat packet referring to unexisting chat message type (for example with id of -1), client will crash instead of just disconnecting.

Attachments

crash-2022-07-16_22.54.54-client.txt

deobf_crash-2022-07-16_22.54.54-client.txt

Comments 0

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Reporter: Patbox

Assignee: slicedlime

Created: 2022-07-16T20:56:13Z

Updated: 2025-03-08T18:43:00Z

Resolved: 2022-07-18T12:36:07Z

ADO:

Confirmation Status: Plausible

Area:

Mojang Priority: Very Important

Category: Crash

Labels:

Affects Versions: 1.19.1 Pre-release 5

Fix Versions: 1.19.1 Pre-release 6

Retrieved 2025-07-12T00:35:13Z