CVE-2017-2893

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

• CWE-476

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400Exploit, Technical Description, Third Party Advisory
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400Exploit, Technical Description, Third Party Advisory

Published

Nov 7, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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