CVE-2018-21250

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CVSS 3.1

6.5 medium

EPSS

1%p63

Published

Jun 19, 2020 (Jun 19, 2020)

Modified

Jun 17, 2026

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.

Vendors: mattermost
Products: mattermost server
Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.1%)

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