Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2023-40703 Details

Description

Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string. 

Metrics

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://mattermost.com/security-updates CVEVendor Advisory
https://mattermost.com/security-updates [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]
CWE-400Uncontrolled Resource Consumption[email protected]

Affected Products

ProductVersions
mattermost mattermost
<= 7.8.12
>= 8.0.0, <= 8.1.3
>= 9.0.0, <= 9.0.1
9.1.0

CPE

  • cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
  • cpe:2.3:a:mattermost:mattermost:9.1.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-40703
NVD Published Date:
Nov 27, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2023-40703 Details - Not Deferred