Server-side Denial of Service Vulnerability in Mattermost 7.1.x and Earlier

Server-side Denial of Service Vulnerability in Mattermost 7.1.x and Earlier

CVE-2022-3257 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.

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