CVE-2026-114550

libwebsockets: libwebsockets: arbitrary code execution via crafted MQTT PUBACK packets

libwebsockets

libwebsockets MQTT Protocol PUBACK Packet Handling Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of libwebsockets. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of PUBACK packets. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated…

4. Nov 2026

Ausgewertete Quellen

• Red Hat
  Red Hat
• NVD
  CVE-2026-114550