CVEvulnerability
CVE-2021-37865
5.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-01-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 5.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-400
Description
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.
Affected configurations
• mattermost mattermost (<= 6.2.0)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://hackerone.com/reports/1428260 Permissions Required
- https://mattermost.com/security-updates/ Vendor Advisory
- https://hackerone.com/reports/1428260 Permissions Required
- https://mattermost.com/security-updates/ Vendor Advisory