CVE-2022-0904: Mattermost Server

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

A stack overflow bug in the document extractor in Mattermost Server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted Apple Pages document.

Affected products

  • Mattermost Mattermost Server: from 5.0.0, before 5.37.8 (fixed in 5.37.8); from 6.0.0, before 6.1.3 (fixed in 6.1.3); from 6.2.0, before 6.2.3 (fixed in 6.2.3); from 6.3.0, before 6.3.3 (fixed in 6.3.3)

Published 2022-03-10. Last modified 2026-06-17.