CVE-2023-5969 MEDIUM

CVE-2023-5969: Denial of Service via Link Preview in /api/v4/redirect_location

Vendor Mattermost
Product Mattermost
Weakness CWE-400
Published November 6, 2023
Last update September 17, 2024

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.

Key dates

02Disclosure timeline

November 6, 2023 CVE published
September 17, 2024 Record updated