CVEvulnerability

CVE-2018-21259

5.3 MEDIUM Published 2020-06-19 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-20

Description

An issue was discovered in Mattermost Server before 4.10.1, 4.9.4, and 4.8.2. It allows attackers to cause a denial of service (application hang) via a malformed link in a channel.

Affected configurations

• mattermost mattermost server (< 4.8.2) • mattermost mattermost server (>= 4.9.0 < 4.9.4) • mattermost mattermost server (>= 4.10.0 < 4.10.1)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References