CVE-2024-10525

7.2 highEPSS 59%

High (7.2) in eclipse mosquitto. EPSS 59% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 59% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-122
Published: 2024-10-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

eclipse:mosquitto

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

Check your stack JSON