CVE-2023-5522

Mobile app freezes when receiving a post with hundreds of emojis

State: Published
Severity: 4.3 Medium
Published: Oct 17, 2023
Updated: Sep 5, 2024
Reserved: Oct 11, 2023

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	Mattermost

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
MattermostMattermost	before 2.8.0Affected 2.8.0Not affected

References

https://mattermost.com/security-updates

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