CVE-2024-52805 Information

Description

Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1 multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request which can be used to amplify denial of service attacks. Synapse 1.120.1 resolves the issue by denying requests with unsupported multipart/form-data content type.

Reference

https://github.com/element-hq/synapse/security/advisories/GHSA-rfq8-j7rh-8hf2 https://github.com/twisted/twisted/issues/4688#issuecomment-1167705518 https://github.com/twisted/twisted/issues/4688#issuecomment-2385711609