The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.
Product A handles inputs or steps differently than Product B, which causes A to perform incorrect actions based on its perception of B’s state.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Go | Golang | * | 1.19.11 (excluding) |
| Go | Golang | 1.20.0 (including) | 1.20.6 (excluding) |