CVE-2023-5522CWE-400

Mobile app freezes when receiving a post with hundreds of emojis

Medium · published October 17, 2023

CVSS v3.1
4.3
EPSS
0%
Percentile
37.0
In the wild
Unconfirmed
What it is

Mattermost Mobile fails to limit the maximum number of Markdown elements in a post allowing an attacker to send a post with hundreds of emojis to a channel and freeze the mobile app of users when viewing that particular channel.

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
0.00438 · 37.0th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2023-10-17T09:41Z
EPSS history
Timeline
  • 17 OCT 09:41Z
    Mobile app freezes when receiving a post with hundreds of emojis
    cvelistv5