CVE-2021-34434

In Eclipse Mosquitto, CVE-2021-34434 affects versions 2.0 to 2.0.11 when using the dynamic security plugin: if a client’s ability to subscribe is revoked while a durable client is offline, existing subscriptions for that client are not revoked. Multiple connected advisories confirm the issue and ...

CVE-2024-3935

CVE-2024-3935 affects Eclipse Mosquitto: 2.0.0–2.0.18 expose a double-free crash when a broker with an outgoing bridge uses topic remapping and receives a crafted PUBLISH from a remote connection. Connected advisories confirm the issue across multiple distributions and show remediation through up...

CVE-2021-28166

Eclipse Mosquitto broker (versions 2.0.0–2.0.9) is vulnerable to a NULL pointer dereference when an authenticated client that previously connected with MQTT v5 sends a crafted CONNACK message. Affected component: broker handling CONNACK under MQTT v5. Impact as per sources: availability impact HI...