Excessive resource consumption when sending long emoji names in user custom status
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mattermost | Mattermost | unaffected |
|
Configuration 1 [-]
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No data.
No data available yet.
Vendor Solution
Update Mattermost Server to versions 9.4.0, 9.3.1, 9.2.5, 8.1.9 or higher.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-0537 | Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server. |
Github GHSA |
GHSA-6mx3-9qfh-77gj | Mattermost denial of service through long emoji value |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.680% probability within 30 days)
Key SSVC decision points have not yet been added.
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost Server |
|
| Weaknesses | NVD-CWE-noinfo | |
| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mattermost
Mattermost mattermost Server |