GHSA-h469-4fcf-p23h
Mattermost has Potential Server Crash due to Unvalidated Import Data
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 10.8.0, < 10.8.4 | 10.8.4 |
| Go | github.com/mattermost/mattermost-server | >= 10.5.0, < 10.5.9 | 10.5.9 |
| Go | github.com/mattermost/mattermost-server | >= 10.9.0, < 10.9.4 | 10.9.4 |
| Go | github.com/mattermost/mattermost-server | >= 10.10.0, < 10.10.1 | 10.10.1 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250708173752-d6b35c41f0ae5 | 8.0.0-20250708173752-d6b35c41f0ae5 |
| Go | github.com/mattermost/mattermost-server | >= 9.11.0, < 9.11.18 | 9.11.18 |
| Go | github.com/mattermost/mattermost-server/v5 | <= 5.39.3 | no fix listed |
| Go | github.com/mattermost/mattermost-server/v6 | <= 6.7.2 | no fix listed |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.
References
External links from the advisory. They lead to third-party sites.