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CVE-2024-3935

Published: Oct 30, 2024

Modified: Nov 3, 2025

PUBLISHED

Description

In Eclipse Mosquito, 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.

Vendor	Product	Versions
Eclipse Foundation	mosquitto	affected `2.0.0 - <= 2.0.18`

Weaknesses (CWE)

References

https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/197

https://mosquitto.org/blog/2024/10/version-2-0-19-released/

https://github.com/eclipse-mosquitto/mosquitto/commit/ae7a804dadac8f2aaedb24336df8496a9680fda9

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