CVE-2024-10525

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - emo@eclipse.org

Published

2024-10-30

Last modified

2025-11-03

Weaknesses

CWE-122, CWE-787

Affected products

• Mosquitto (Eclipse)
• Mosquitto (Eclipse Foundation)

References

• https://github.com/eclipse-mosquitto/mosquitto/commit/8ab20b4ba4204fdcdec78cb4d9f03c944a6e0e1c
• https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/190
• https://mosquitto.org/blog/2024/10/version-2-0-19-released/
• https://lists.debian.org/debian-lts-announce/2025/02/msg00022.html