| Package | Affected versions | Patched versions |
|---|---|---|
| mosquitto | ≥ 1.6, < 1.6.5 | 1.6.5 |
If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay interval is set longer than the session expiry interval, then a use after free error occurs, which has the potential to cause a crash in some situations.
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