What is GHSA-6mx3-9qfh-77gj?

GHSA-6mx3-9qfh-77gj is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost denial of service through long emoji value

Which CVE IDs does GHSA-6mx3-9qfh-77gj cover?

GHSA-6mx3-9qfh-77gj covers the following CVE IDs: CVE-2024-24988. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6mx3-9qfh-77gj?

GHSA-6mx3-9qfh-77gj has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

Which products are affected by GHSA-6mx3-9qfh-77gj?

GHSA-6mx3-9qfh-77gj affects 2 products, including: go/github.com/mattermost/mattermost/server/v8:\u003e= 9.3.0, \u003c 9.3.1; go/github.com/mattermost/mattermost/server/v8:\u003e= 9.2.0, \u003c 9.2.5.

GHSA-6mx3-9qfh-77gjMediumCVSS 4.3

Mattermost denial of service through long emoji value

Vendor

GitHub Security Advisories

Published

February 29, 2024

Last Modified

March 24, 2026

🔗 CVE IDs covered (1)

CVE-2024-24988 →

📋 Description

Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.

🎯 Affected products2

go/github.com/mattermost/mattermost/server/v8:>= 9.3.0, < 9.3.1
go/github.com/mattermost/mattermost/server/v8:>= 9.2.0, < 9.2.5

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2024-24988
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-6mx3-9qfh-77gj