| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/nats-io/nats-server | all versions | |
| github.com/nats-io/nats-server/v2 | ≥ 2.12.0-RC.1, < 2.12.6< 2.11.15 | 2.12.62.11.15 |
| nats-server | ≥ 2.12.0, < 2.12.6< 2.11.15 | 2.12.62.11.15 |
NATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT, and edge computing.
The nats-server allows hub/spoke topologies using "leafnode" connections by other nats-servers.
A client which can connect to the leafnode port can crash the nats-server with a certain malformed message pre-authentication.
Any version before v2.12.6 or v2.11.15
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