CVSS 7.5 · High EPSS 0,57%
Kerentanan Memory Allocation with Excessive Size Value pada mattermost server. Skor CVSS 3.1 7.5 (High) menurut mattermost.com.
Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to properly validate msgpack-encoded WebSocket frames before memory allocation which allows an unauthenticated remote attacker to crash the server process and cause a full service outage for all users via a crafted binary WebSocket message sent to the public WebSocket endpoint.. Mattermost Advisory ID: MMSA-2026-00647
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| mattermost | mattermost server | Versi 10.11.0 hingga sebelum 10.11.15 |
| mattermost | mattermost server | Versi 11.4.0 hingga sebelum 11.4.5 |
| mattermost | mattermost server | Versi 11.5.0 hingga sebelum 11.5.4 |
| mattermost | mattermost server | Versi 11.6.0 hingga sebelum 11.6.1 |