{"schemaVersion":3,"id":"CVE-2021-29433","aliases":["GHSA-pw4v-gr34-2553","PYSEC-2021-24"],"status":"published","duplicateOf":null,"title":null,"description":"Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. 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