An issue was discovered in Iglu Server 0.13.0 and below. It involves sending very large payloads to a particular API endpoint of Iglu Server and can render it completely unresponsive. If the operation of Iglu Server is not restored, event processing in the pipeline would eventually halt.
- https://support.snowplow.io/hc/en-us/articles/26318139354909-Update-Critical-Snowplow-Security-Updates-Impact-on-Open-Source-Software-Users
No PoCs found on GitHub currently.