Synapse allows unsupported content types to lead to memory exhaustion

ImpactIn 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. PatchesSynapse 1.120.1 resolves the issue by denying...

EUVD-2025-32850

Rack is a modular Ruby web server interface. In versions prior to 2.2.19, 3.1.17, and 3.2.2, Rack::Multipart::Parser can accumulate unbounded data when a multipart part’s header block never terminates with the required blank line CRLFCRLF. The parser keeps appending incoming bytes to memory witho...

SUSE CVE-2023-26048

Jetty is a java based web server and servlet engine. In affected versions servlets with multipart support e.g. annotated with @MultipartConfig that call HttpServletRequest.getParameter or HttpServletRequest.getParts may cause OutOfMemoryError when the client sends a multipart request with a part...