Description
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 6.4 – < 6.4.2, 6.3 – < 6.3.5, 6.2 – < 6.2.5, 5.37 – < 5.37.9 | 6.4.2 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | all versions | — | GO-2022-0595 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2022-0595 |
| Go | github.com/mattermost/mattermost-server/v6 | < 6.4.2 | 6.4.2 | GHSA-f37q-q7p2-ccfc |