PT-2020-7996 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2025-11-07 · CVE-2016-11067

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions prior to 3.2.0

Description: An issue was discovered that allows crafted posts to cause a web browser to hang.

Recommendations: For versions prior to 3.2.0, update to version 3.2.0 or later to resolve the issue.

Fix

DoS

Resource Exhaustion

RCE

Weakness Enumeration

CWE-400

CWE-20

Related Identifiers

CVE-2016-11067

GHSA-FFCC-QR2V-3QMV

GO-2025-4046

OPENSUSE-SU-2025:15710-1

Affected Products

Mattermost Server

References · 80

• https://nvd.nist.gov/vuln/detail/CVE-2016-11067 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2025:15710-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-11067 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2025-4046 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-ffcc-qr2v-3qmv · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://suse.com/security/cve/CVE-2025-58356 · Note
• https://suse.com/security/cve/CVE-2025-61141 · Note
• https://suse.com/security/cve/CVE-2025-64102 · Note
• https://suse.com/security/cve/CVE-2025-62375 · Note
• https://suse.com/security/cve/CVE-2016-11074 · Note
• https://suse.com/security/cve/CVE-2025-58075 · Note
• https://suse.com/security/cve/CVE-2016-11072 · Note
• https://suse.com/security/cve/CVE-2016-11082 · Note