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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-2945 | 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. |
Github GHSA |
GHSA-c37r-v8jx-7cv2 | Mattermost Uncontrolled Resource Consumption vulnerability |
Fixes
Solution
Update Mattermost Server to versions 9.1.1, 9.0.2, 7.8.13, 8.1.4 or higher.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
History
Tue, 03 Jun 2025 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2025-06-03T14:01:59.793Z
Reserved: 2023-11-22T11:18:57.610Z
Link: CVE-2023-40703
Updated: 2024-08-02T18:38:51.081Z
Status : Modified
Published: 2023-11-27T10:15:07.460
Modified: 2024-11-21T08:19:59.620
Link: CVE-2023-40703
No data.
OpenCVE Enrichment
No data.
EUVD
Github GHSA