Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Swiftnio | Apple | 1.0.0 (including) | 1.4.0 (including) |