CVE-2022-3257
MEDIUM6.5EPSS 0.40%Mattermost subject to Denial of Service via upload of special GIF
Published: 9/25/2022Modified: 4/3/2025
Description
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.
Affected packages (2)
- Bitnami/mattermostfrom 0, < 7.2.0
- Go/github.com/mattermost/mattermost-server/v6>= 7.1.0, < 7.2.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |