Mattermost Denial of Service Vulnerability (CNVD-2022-67044)

Mattermost is an open source collaboration platform from Mattermost, Inc. A denial of service vulnerability exists in Mattermost, which stems from the inability to adequately process specially crafted GIF files when they are uploaded, and could be exploited by an authenticated attacker to cause a server-side denial of service by running out of resources when processing the files.