Vulnerability · Published Sep 9, 2022 · Assigned by Mattermost

CVE-2022-3147Server-side Denial of Service while processing a specifically crafted JPEG file

Low 3.1

In plain English

A low-severity uncontrolled resource consumption in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)1.1%top 35.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost unspecified – through 7.0.x

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

References