{"id":"CVE-2024-24988","summary":"Excessive resource consumption when sending long emoji names in user custom status","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":"2026-08-12T03:30:50.749284879Z","published":"2024-02-29T08:06:28.334Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/24xxx/CVE-2024-24988.json","unresolved_ranges":[{"extracted_events":[{"last_affected":"9.2.4"},{"last_affected":"8.1.8"},{"last_affected":"9.3.0"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"Mattermost","cwe_ids":["CWE-400"]},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/24xxx/CVE-2024-24988.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24988"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"0"},{"fixed":"eb0621908b3d9ecef077b855b25111431097b0d0"},{"introduced":"987e843629fe3f11861fda23ceb66884f5973ef1"},{"fixed":"cfa2c72aa5497fdb81965e561955dab806ed1002"},{"introduced":"b47be1c0f5787562ddf430dd5c5b8b3c35748b06"},{"fixed":"958c7a2f05ee946af7540396c911d05c72f33538"}],"database_specific":{"cpe":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"8.1.8"},{"introduced":"9.0.0"},{"fixed":"9.1.5"},{"introduced":"9.2.0"},{"fixed":"9.2.4"}],"source":"CPE_RANGE"}}],"versions":["v8.1.8-rc2","v9.2.4-rc1","v9.1.5-rc1","v8.1.8-rc1","v8.1.7-rc3","v8.1.7","v9.1.4-rc1","v9.1.4","v8.1.7-rc2","v9.2.3-rc1","v9.2.3","v8.1.7-rc1","v9.1.3-rc1","v9.1.3","v8.1.6-rc1","v8.1.6","v9.2.2","v9.1.2","v8.1.5-rc2","v8.1.5","v8.1.5-rc1","v9.2.1","v9.1.2-rc1","v9.2.0-rc2","v9.2.0","@mattermost/types@9.2.0","@mattermost/client@9.2.0","v9.1.1-rc1","v9.1.1","v8.1.4-rc2","v8.1.4","v8.1.4-rc1","v9.1.0-rc2","v9.1.0","@mattermost/types@9.1.0","@mattermost/client@9.1.0","v8.1.3-rc2","v8.1.3","v8.1.3-rc1","v9.1.0-rc1","cloud-2023-09-26-1","v8.1.2-rc2","v8.1.2","v8.1.2-rc1","server/public/v0.0.9","v8.1.1-rc2","v8.1.1","@mattermost/types@8.1.1","@mattermost/client@8.1.1","v8.1.1-rc1","v8.1.0-rc2","v8.1.0","server/public/v0.0.8","cloud-2023-07-26-1","server/public/v0.0.7","server/public/v0.0.6","server/public/v0.0.5","cloud-2022-11-24-1","cloud-2022-11-11-1","cloud-2022-10-06-1","cloud-2022-09-08-1","cloud-2022-08-10-1","cloud-2022-07-20-1","v5.2.0-rc2","v5.2.0-rc1","v5.1.0-rc1","v5.0.0-rc1","v4.10.0-rc1","v4.9.0-rc1","v4.8.0-rc1","v4.7.0-rc1","v4.6.0-rc2","v4.6.0-rc1","v4.5.0-rc1","v4.4.0-rc1","v4.3.0-rc1","v4.2.0-rc1","v0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-24988.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}