GHSA-GPWF-4H98-V82Q datadog-opentelemetry has unbounded W3C tracestate parsing that may lead to DoS

Impact Datadog tracing libraries that implement W3C Trace Context tracecontext propagation parse the incoming tracestate header without enforcing a size cap on the Datadog vendor entry dd=.... The dd= value contains semicolon-separated key:value pairs, and the parser allocates a hash-map entry fo...