In Eclipse Mosquitto, versions from 2.0.0 through 2.0.18, if a Mosquitto broker is configured to create an outgoing bridge connection, and that bridge connection has an incoming topic configured that makes use of topic remapping, then if the remote connection sends a crafted PUBLISH packet to the broker a double free will occur with a subsequent crash of the broker. This vulnerability allows a malicious actor to potentially disrupt the service provided by the broker, leading to unavailability.
The CVSS score for this vulnerability is 6.0, indicating a medium severity level. The attack vector is network-based, with low attack complexity and low privileges required for exploitation. The potential impact on availability is high, making this vulnerability significant for organizations using affected versions of Eclipse Mosquitto.
Risk to organizations includes service disruption and potential data loss. Organizations should prioritize patching immediately to mitigate the risk associated with this vulnerability. As of now, no known exploits have been reported, but the nature of the vulnerability warrants vigilance.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)