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High DLA-4059-1 2 CVEs

mosquitto - security update

Published Feb 20, 2025 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 11 mosquitto 2.0.11-1+deb11u2

Vulnerabilities 2

  • High 7.2
    CVE-2024-10525 EPSS 59%

    Eclipse Mosquito: Heap Buffer Overflow in my_subscribe_callback

    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 mosq…

  • Medium 6.0

    Eclipse Mosquito: Double free vulnerability

    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 …