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CVE-2024-10525

Eclipse Mosquito: Heap Buffer Overflow in my_subscribe_callback

Published: 10/30/2024 Last updated: 11/3/2025 Reserved: 10/30/2024

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.

CNA assigner: eclipse (e51fbebd-6053-4e49-959f-1b94eeb69a2c) Requested by: n/a

Metrics

Version Score Severity Vector String
4.0 7.2 High CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

Opam packages affected (1)

conf-libmosquitto

Products affected (1)

Product Vendor Version
mosquitto Eclipse Foundation n/a

References (8)

Credits (2)