{"api_version":"1","generated_at":"2026-04-23T05:15:36+00:00","cve":"CVE-2023-32323","urls":{"html":"https://cve.report/CVE-2023-32323","api":"https://cve.report/api/cve/CVE-2023-32323.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-32323","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-32323"},"summary":{"title":"CVE-2023-32323","description":"Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. A malicious user on a Synapse homeserver X with permission to create certain state events can disable outbound federation from X to an arbitrary homeserver Y. Synapse instances with federation disabled are not affected. In versions of Synapse up to and including 1.73, Synapse did not limit the size of `invite_room_state`, meaning that it was possible to create an arbitrarily large invite event. Synapse 1.74 refuses to create oversized `invite_room_state` fields. 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