CVE-2024-10525: Out-of-bounds Write

October 30, 2024 (updated April 8, 2025)

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.

References

gitlab.com/gitlab-org/security-products/gemnasium-db/-/issues/319
nvd.nist.gov/vuln/detail/CVE-2024-10525

Code Behaviors & Features

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