CVE-2024-1953

First published: Thu Feb 29 2024(Updated: )

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, 9.3.0, and 9.4.x before 9.4.2 fail to limit the number of role names requested from the API, allowing an authenticated attacker to cause the server to run out of memory and crash by issuing an unusually large HTTP request.

Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
go/github.com/mattermost/mattermost/server/v8	<8.1.9	8.1.9
go/github.com/mattermost/mattermost/server/v8	>=9.2.0<9.2.5	9.2.5
go/github.com/mattermost/mattermost/server/v8	>=9.3.0<9.3.1	9.3.1
go/github.com/mattermost/mattermost/server/v8	>=9.4.0<9.4.2	9.4.2
Mattermost Mattermost Server	>=8.1.0<8.1.9
Mattermost Mattermost Server	>=9.2.0<9.2.5
Mattermost Mattermost Server	>=9.4.0<9.4.2
Mattermost Mattermost Server	=9.3.0
	>=8.1.0<8.1.9
	>=9.2.0<9.2.5
	>=9.4.0<9.4.2
	=9.3.0

Remedy

Update Mattermost Server to versions 9.5, 9.4.2, 9.3.1, 9.2.5, 8.1.9, or higher.

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