It was discovered that Puma incorrectly handled parsing chunked transfer encoding bodies. A remote attacker could possibly use this issue to cause Puma to consume resources, leading to a denial of service.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "5.6.5-4ubuntu2.1", "binary_name": "puma" }, { "binary_version": "5.6.5-4ubuntu2.1", "binary_name": "puma-dbgsym" } ] }