Denial of service (via resource exhaustion) due to improper input validation in third-party identifier endpoint

Impact Missing 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. Patches The issue is fixed by https://github.com/matrix-org/synapse/pull/9855. Workarounds There are no...

Denial of service (via resource exhaustion) due to improper input validation on third-party identifier endpoints

Impact Missing 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. Patches The issue is fixed by 9321. Workarounds Depending on the needs and configuration of the homeserver...