In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.
| Software | From | Fixed in |
|---|---|---|
| eclipse / mosquitto | 1.3.2 | 2.0.19 |