VULNERABILITY INTELLIGENCE

CVE-2022-3257

CVSS score3.1 LOW
EPSS probability1.26%
CISA KEVNot currently listed
Published2022-09-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

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.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-400
  • nvd@nist.gov: CWE-434

Primary references