Vulnerability Monitor

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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.

Published

2024-10-30T12:15:02.787

Last Modified

2025-11-03T21:16:03.947

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses

Type: Secondary
CWE-122
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	eclipse	mosquitto	< 2.0.19	Yes

References

https://github.com/eclipse-mosquitto/mosquitto/commit/8ab20b4ba4204fdcdec78cb4d9f03c944a6e0e1c Patch ([email protected])
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/190 Exploit, Issue Tracking, Vendor Advisory ([email protected])
https://mosquitto.org/blog/2024/10/version-2-0-19-released/ Release Notes ([email protected])
https://lists.debian.org/debian-lts-announce/2025/02/msg00022.html (af854a3a-2127-422b-91ae-364da2661108)