CVE-2024-24988Medium· 4.3▾ SunlitMattermost denial of service through long emoji value
▾ Sunlit zone — Low / medium · no exploitation signal
impact 23.7 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 7.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.7%
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.
github.com/mattermost/mattermost/server/v8 >= 9.3.0, < 9.3.1github.com/mattermost/mattermost/server/v8 >= 9.2.0, < 9.2.5Upgrade to a patched release:
github.com/mattermost/mattermost/server/v8 9.3.1github.com/mattermost/mattermost/server/v8 9.2.5Connected by shared product, vendor, weakness, or advisory.
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