GHSA-8f99-g2pj-x8w3MediumCVSS 4.3

Mattermost crashes web clients via a malformed custom status

Published
April 26, 2024
Last Modified
April 26, 2024

🔗 CVE IDs covered (1)

📋 Description

Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.

🎯 Affected products4

  • go/github.com/mattermost/mattermost-server:>= 8.1.0, <= 8.1.11
  • go/github.com/mattermost/mattermost-server:>= 9.4.0, <= 9.4.4
  • go/github.com/mattermost/mattermost-server:>= 9.5.0, <= 9.5.2
  • go/github.com/mattermost/mattermost-server:>= 9.6.0-rc1, <= 9.6.0

🔗 References (7)