CVE-2023-2831 MEDIUM

CVE-2023-2831: Denial of Service while unescaping a Markdown string

Vendor Mattermost
Product Mattermost
Weakness CWE-400
Published June 16, 2023
Last update December 6, 2024
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.

Key dates

02Disclosure timeline

June 16, 2023 CVE published
December 6, 2024 Record updated