GHSA-6mx3-9qfh-77gj

ghsaUSosv

Mattermost denial of service through long emoji value

view advisory published 2024-02-29Licence: CC-BY-4.0

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2024-24988US	medium6.5	0.68% (52nd)	—	2024-02-29
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 caus…

references

External citations — patches, advisories, analysis.

https://github.com/mattermost/mattermostPACKAGE
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2024-24988ADVISORY

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