title: Server-side Denial of Service while processing a specifically crafted JPEG file
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.
problem types: CWE-400 Uncontrolled Resource Consumption
affected:
{
product: Mattermost
vendor: Mattermost
versions:
lessThanOrEqual: 7.0.x, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 3.1
baseSeverity: LOW
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
version: 3.1
]
solutions: Update Mattermost to version v7.1 or higher.