{"id":"CVE-2024-43789","summary":"Denial of service by the absence of restrictions on replies to posts in Discourse","details":"Discourse is an open source platform for community discussion. A user can create a post with many replies, and then attempt to fetch them all at once. This can potentially reduce the availability of a Discourse instance. This problem has been patched in the latest version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.","aliases":["BIT-discourse-2024-43789","GHSA-62cq-cpmc-hvqq"],"modified":"2026-09-29T11:46:12.653597351Z","published":"2024-10-07T20:24:32.007Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43789.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43789.json"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-62cq-cpmc-hvqq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43789"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/discourse/discourse","events":[{"introduced":"c4ece1a7b7536e27e7731c7dceceec72ad9f5dca"},{"last_affected":"85abac4230da6114dfa95702d3529ca632fc0d06"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"stable: \u003c 3.3.1"},{"last_affected":"stable: \u003c 3.3.1"},{"introduced":"beta: \u003c 3.4.0.beta1"},{"last_affected":"beta: \u003c 3.4.0.beta1"}]}}],"versions":["beta: \u003c 3.4.0.beta1","stable: \u003c 3.3.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-43789.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}