CVE-2024-24988CWE-400

Excessive resource consumption when sending long emoji names in user custom status

Medium · published February 29, 2024

CVSS v3.1
4.3
EPSS
1%
Percentile
51.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00680 · 51.8th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2024-02-29T08:06Z
EPSS history
Timeline
  • 29 FEB 08:06Z
    Excessive resource consumption when sending long emoji names in user custom status
    cvelistv5