CVEvulnerability

CVE-2022-3257

6.5 MEDIUM Published 2022-09-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-09-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.1 LOW — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400, CWE-434

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 configurations

• mattermost mattermost server (< 7.2.0)

Related

Weakness · CWE (2)

  • CWE-400 Uncontrolled Resource Consumption weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type weakness

References