{"id":"CVE-2024-24988","details":"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.\n\n","aliases":["BIT-mattermost-2024-24988","GHSA-6mx3-9qfh-77gj","GO-2024-2589"],"modified":"2026-03-13T07:50:40.145776Z","published":"2024-02-29T08:15:47.640Z","related":["CGA-mfc3-3ww7-fj3j"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0"},{"fixed":"eb0621908b3d9ecef077b855b25111431097b0d0"},{"introduced":"987e843629fe3f11861fda23ceb66884f5973ef1"},{"fixed":"cfa2c72aa5497fdb81965e561955dab806ed1002"},{"introduced":"b47be1c0f5787562ddf430dd5c5b8b3c35748b06"},{"fixed":"958c7a2f05ee946af7540396c911d05c72f33538"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"8.1.8"},{"introduced":"9.0.0"},{"fixed":"9.1.5"},{"introduced":"9.2.0"},{"fixed":"9.2.4"}]}}],"versions":["@mattermost/client@9.2.0","@mattermost/types@9.2.0","v9.2.0","v9.2.0-rc2","v9.2.1","v9.2.2","v9.2.3","v9.2.3-rc1","v9.2.4-rc1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-24988.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}