medium4.3
CVE-2023-40703
Mattermost Uncontrolled Resource Consumption vulnerability
Impact
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >= 9.1.0, < 9.1.1 | 9.1.1 |
| go | github.com/mattermost/mattermost-server/v6 | < 7.8.13 | 7.8.13 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost | through 7.8.12 from 8.0.0 through 8.1.3 from 9.0.0 through 9.0.1 Version 9.1.0 |