Servers and applications
CVE-2021-37865
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.
- Severity
- Medium 5.7
- Published
- 18 Jan 2022
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
MattermostServers and applications · cpe:a:mattermost:mattermost |
|