{"id":"CVE-2024-2446","details":"Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to limit the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.\n\n","aliases":["BIT-mattermost-2024-2446"],"modified":"2026-03-14T12:27:36.140393Z","published":"2024-03-15T10:15:08.230Z","references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"096c9ea12a2144f832e330e9a0f4d3862ca20b9f"},{"fixed":"674f549daf0e74933845be0ae32827e498137b63"},{"introduced":"b47be1c0f5787562ddf430dd5c5b8b3c35748b06"},{"fixed":"19f009e1ffa28d86a7a03bbcb6fec6a27368c7cd"},{"introduced":"7bf5dcb8fb7f05db9a7a6a9be608ac0fe1405351"},{"fixed":"80fef13a80f3eb2061462de28a5cd7f18caf8986"},{"introduced":"baa88a2450d49dfea42990861283b5ed9d469edf"},{"fixed":"472c1cd4d06083afd93cd3c6a3f1dc7476875b79"}],"database_specific":{"versions":[{"introduced":"8.1.0"},{"fixed":"8.1.10"},{"introduced":"9.2.0"},{"fixed":"9.2.6"},{"introduced":"9.3.0"},{"fixed":"9.3.2"},{"introduced":"9.4.0"},{"fixed":"9.4.3"}]}}],"versions":["@mattermost/client@8.1.1","@mattermost/client@9.2.0","@mattermost/client@9.3.0","@mattermost/client@9.4.0","@mattermost/types@8.1.1","@mattermost/types@9.2.0","@mattermost/types@9.3.0","@mattermost/types@9.4.0","v8.1.0","v8.1.0-rc2","v8.1.1","v8.1.1-rc1","v8.1.1-rc2","v8.1.2","v8.1.2-rc1","v8.1.2-rc2","v8.1.3","v8.1.3-rc1","v8.1.3-rc2","v8.1.4","v8.1.4-rc1","v8.1.4-rc2","v8.1.5","v8.1.5-rc1","v8.1.5-rc2","v8.1.6","v8.1.6-rc1","v8.1.7","v8.1.7-rc1","v8.1.7-rc2","v8.1.7-rc3","v8.1.8","v8.1.8-rc1","v8.1.8-rc2","v8.1.9","v8.1.9-rc1","v8.1.9-rc2","v9.2.0","v9.2.0-rc2","v9.2.1","v9.2.2","v9.2.3","v9.2.3-rc1","v9.2.4","v9.2.4-rc1","v9.2.5","v9.2.5-rc1","v9.2.5-rc2","v9.3.0","v9.3.0-rc2","v9.3.1","v9.3.1-rc1","v9.3.1-rc2","v9.4.0","v9.4.0-rc4","v9.4.1","v9.4.2","v9.4.2-rc1","v9.4.2-rc2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-2446.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:L"}]}