{"id":"CVE-2022-41921","aliases":["BIT-discourse-2022-41921","EUVD-2022-45048","GHSA-mfh7-6cv6-qccc"],"status":"published","title":"Discourse chat messages should have a maximum character limit","description":"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.","severity":{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0057,"percentile":0.47526,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-770"],"published":"2022-11-28T00:00:00Z","modified":"2026-10-28T02:31:01Z","fixes":[{"ecosystem":"Bitnami","package":"discourse","fixed_in":["2.9.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"discourse","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.9.0"}]}]}],"products":[{"vendor":"discourse","product":"discourse"}],"references":[{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-mfh7-6cv6-qccc","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/discourse/discourse/commit/3de765c89524a526ce611e11468d758a471a933f","tags":["x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41921","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41921.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-41921","title":"Discourse chat messages should have a maximum character limit","description":"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.","status":"published","published":"2022-11-28T00:00:00Z","modified":"2025-04-23T16:34:31.783Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:34:28.038197Z"}],"euvd":[{"id":"EUVD-2022-45048","description":"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.","status":"published","published":"2022-11-28T00:00:00Z","modified":"2025-04-23T16:34:31Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T20:52:12.313971Z"}],"nvd":[{"id":"CVE-2022-41921","description":"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.","status":"published","published":"2022-11-28T15:15:10.543Z","modified":"2026-06-17T05:04:03.997Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-770"],"updated_at":"2026-11-02T14:07:32.827264Z"}],"osv":[{"id":"CVE-2022-41921","title":"Discourse chat messages should have a maximum character limit","description":"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.","status":"published","published":"2022-11-28T00:00:00Z","modified":"2026-10-28T02:31:01.700401806Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:44:27.186787Z"},{"id":"BIT-discourse-2022-41921","title":"Discourse chat messages should have a maximum character limit","description":"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.","status":"published","published":"2024-03-06T11:03:20.207Z","modified":"2026-09-08T08:46:08.021336235Z","updated_at":"2026-11-02T15:28:28.70813Z"}]}}