CVE-2022-3257

medium

Description

Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.

References

https://hackerone.com/reports/1620170

https://mattermost.com/security-updates/

Details

Source: MITRE

Published: 2022-09-23

Updated: 2022-09-26

Type: CWE-434