NanoMQ is a messaging broker/bus for IoT Edge & SDV. Versions prior to 0.24.4 have a buffer overflow case while the PUBLISH packets trigger both shared subscription and vanila subscription. This is fixed in version 0.24.4. As a workaround, disable shared subscription.
https://github.com/nanomq/nanomq/security/advisories/GHSA-98f4-cmg8-x7f3
https://github.com/nanomq/nanomq/issues/2110
https://github.com/nanomq/nanomq/commit/5f5581054bb92f102cf99251e8af2f43763d457b
Published: 2025-12-15
Updated: 2026-01-30
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 9
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Severity: Critical
Base Score: 8.5
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
Severity: High
EPSS: 0.0004