Description
Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
Published: 2022-01-18
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-24343 Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
History

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0037}

epss

{'score': 0.00502}


Sat, 07 Dec 2024 00:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Mattermost Mattermost
cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-12-06T23:11:51.183Z

Reserved: 2021-08-02T00:00:00.000Z

Link: CVE-2021-37865

cve-icon Vulnrichment

Updated: 2024-08-04T01:30:08.496Z

cve-icon NVD

Status : Modified

Published: 2022-01-18T17:15:08.457

Modified: 2024-11-21T06:16:01.503

Link: CVE-2021-37865

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses