CVE-2022-3147

LOW

Mattermost < 7.1.0 - Authenticated Denial of Service via JPEG Image Upload

Title source: llm
STIX 2.1

Description

Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://mattermost.com/security-updates/
Permissions Required x_refsource_misc
https://hackerone.com/reports/1549513

Scores

CVSS v3 3.1
EPSS 0.0118
EPSS Percentile 79.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770 CWE-400
Status published
Products (1)
mattermost/mattermost_server < 7.1.0
Published Sep 09, 2022
Tracked Since Feb 18, 2026