| Package | Affected versions | Patched versions |
|---|---|---|
| nats-server | ≥ 2.12.0, < 2.12.8< 2.11.17 | 2.12.82.11.17 |
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by sending repeated leafnode INFO protocol messages before authentication and account setup completed. This issue is fixed in versions 2.12.8 and 2.11.17.
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