| Package | Affected versions | Patched versions |
|---|---|---|
| golang.org/x/net | < 0.60.0 | 0.60.0 |
| stdlib | ≥ 1.27.0-0, < 1.27.2< 1.26.9 | 1.27.21.26.9 |
Historically, we have been rather lax about malformed framing-related headers in our HTTP/2 implementation, as they cannot interfere with HTTP/2 framing. However, this makes it possible for our HTTP/2 implementation to forward responses containing such headers to an HTTP/1 client when acting as a reverse proxy. If the HTTP/1 client also does not behave strictly enough, this can result in response smuggling.
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