{"id":"CVE-2022-41921","summary":"Discourse chat messages should have a maximum character limit","details":"Discourse is an open-source discussion platform. Prior to version 2.9.0.beta13, users can post chat messages of an unlimited length, which can cause a denial of service for other users when posting huge amounts of text. Users should upgrade to version 2.9.0.beta13, where a limit has been introduced. No known workarounds are available.","aliases":["BIT-discourse-2022-41921","GHSA-mfh7-6cv6-qccc"],"modified":"2026-08-12T03:51:23.080501964Z","published":"2022-11-28T00:00:00Z","database_specific":{"cwe_ids":["CWE-20"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41921.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41921.json"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-mfh7-6cv6-qccc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41921"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/3de765c89524a526ce611e11468d758a471a933f"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/discourse/discourse","events":[{"introduced":"2fc8e923b67e92d69c92f07de98a09028c5c5079"},{"fixed":"3de765c89524a526ce611e11468d758a471a933f"}],"database_specific":{"cpe":["cpe:2.3:a:discourse:discourse:2.9.0:beta1:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta10:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta11:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta12:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta2:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta3:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta4:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta5:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta6:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta7:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta8:*:*:*:*:*:*","cpe:2.3:a:discourse:discourse:2.9.0:beta9:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.9.0-beta1"},{"last_affected":"2.9.0-beta1"},{"introduced":"2.9.0-beta10"},{"last_affected":"2.9.0-beta10"},{"introduced":"2.9.0-beta11"},{"last_affected":"2.9.0-beta11"},{"introduced":"2.9.0-beta12"},{"last_affected":"2.9.0-beta12"},{"introduced":"2.9.0-beta2"},{"last_affected":"2.9.0-beta2"},{"introduced":"2.9.0-beta3"},{"last_affected":"2.9.0-beta3"},{"introduced":"2.9.0-beta4"},{"last_affected":"2.9.0-beta4"},{"introduced":"2.9.0-beta5"},{"last_affected":"2.9.0-beta5"},{"introduced":"2.9.0-beta6"},{"last_affected":"2.9.0-beta6"},{"introduced":"2.9.0-beta7"},{"last_affected":"2.9.0-beta7"},{"introduced":"2.9.0-beta8"},{"last_affected":"2.9.0-beta8"},{"introduced":"2.9.0-beta9"},{"last_affected":"2.9.0-beta9"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["2.9.0-beta1","2.9.0-beta10","2.9.0-beta11","2.9.0-beta12","2.9.0-beta2","2.9.0-beta3","2.9.0-beta4","2.9.0-beta5","2.9.0-beta6","2.9.0-beta7","2.9.0-beta8","2.9.0-beta9","v2.9.0.beta12","v2.9.0.beta11","v2.9.0.beta10","v2.9.0.beta9","v2.9.0.beta8","v2.9.0.beta7","v2.9.0.beta6","v2.9.0.beta5","v2.9.0.beta4","v2.9.0.beta3","v2.9.0.beta2","v2.9.0.beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-41921.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L"}]}