GHSA-w6xh-c82w-h997MediumCVSS 6.5

Mattermost webapp crash via a crafted post

Published
January 16, 2025
Last Modified
January 16, 2025

🔗 CVE IDs covered (1)

CVE-2025-20621 →

📋 Description

Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the webapp to crash via creating and sending such a post to a channel.

🎯 Affected products5

  • go/github.com/mattermost/mattermost/server/v8:>= 10.2.0, < 10.2.1
  • go/github.com/mattermost/mattermost/server/v8:>= 10.1.0, <= 10.1.3
  • go/github.com/mattermost/mattermost/server/v8:>= 10.0.0, <= 10.0.3
  • go/github.com/mattermost/mattermost/server/v8:>= 9.11.0, <= 9.11.5
  • go/github.com/mattermost/mattermost/server/v8:< 8.0.0-20241127161322-25ff7a3779a5

🔗 References (3)