CVE-2023-2793 MEDIUM

CVE-2023-2793: Stack exhaustion in PreparePostForClientWithEmbedsAndImages

Vendor Mattermost
Product Mattermost
Weakness CWE-400
Published June 16, 2023
Last update December 6, 2024

CVSS base score

6.5/10
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:H

What the vulnerability does

01Description

Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.

Key dates

02Disclosure timeline

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