A vulnerability has been found in Contiki-NG TinyDTLS up to 2018-08-30 and classified as problematic. Affected by this vulnerability is the function dtls_update_parameters of the file dtls.c of the component ClientHello Handshake Message Handler. The manipulation leads to infinite loop.

This vulnerability is known as CVE-2021-42143. The attack can be launched remotely. There is no exploit available.