CVE-2021-37865 MEDIUM

CVE-2021-37865: Server-side Denial of Service while processing a specifically crafted GIF file

Vendor Mattermost
Product Mattermost
Weakness CWE-400
Published January 18, 2022
Last update December 6, 2024

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost 6.2 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.

Key dates

02Disclosure timeline

January 18, 2022 CVE published
December 6, 2024 Record updated