| Package | Affected versions | Patched versions |
|---|---|---|
| golang.org/x/crypto | < 0.56.0 | 0.56.0 |
| crypto | < 0.56.0 | 0.56.0 |
Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection.
Now, we add an atomic established state, set when a channel becomes usable. Until such a time, handlePacket drops every packet other than the open confirmation/failure, without blocking and without tearing down the connection.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free