[github.com/mattermost/mattermost-server] Denial of service in Mattermost

A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-4044
• https://hackerone.com/reports/1680241
• https://mattermost.com/security-updates/
• https://github.com/advisories/GHSA-5jph-wrq7-v9hf