CVEvulnerability

CVE-2023-40703

7.5 HIGH Published 2023-11-27 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-11-27
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400

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. 

Affected configurations

• mattermost mattermost (<= 7.8.12) • mattermost mattermost (>= 8.0.0 <= 8.1.3) • mattermost mattermost (>= 9.0.0 <= 9.0.1) • mattermost mattermost 9.1.0

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References