CVE-2018-21250

MEDIUM

Mattermost Server < 4.10.4 - Denial of Service via Crafted Image Dimensions

Title source: llm
STIX 2.1

Description

An issue was discovered in Mattermost Server before 5.2.2, 5.1.2, and 4.10.4. It allows remote attackers to cause a denial of service (memory consumption) via crafted image dimensions.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://mattermost.com/security-updates/

Scores

CVSS v3 6.5
EPSS 0.0039
EPSS Percentile 60.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (1)
mattermost/mattermost_server < 4.10.4
Published Jun 19, 2020
Tracked Since Feb 18, 2026