CVE-2024-8376: Eclipse Mosquitto

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

In Eclipse Mosquitto up to version 2.0.18a, an attacker can achieve memory leaking, segmentation fault or heap-use-after-free by sending specific sequences of "CONNECT", "DISCONNECT", "SUBSCRIBE", "UNSUBSCRIBE" and "PUBLISH" packets.

Affected products

  • Eclipse Mosquitto: before 2.0.19 (fixed in 2.0.19)

Published 2024-10-11. Last modified 2026-06-17.