CVE-2021-42147 | Contiki-NG TinyDTLS up to 2018-08-30 dtls_sha256_update fragment length buffer overflow

A vulnerability was found in Contiki-NG TinyDTLS up to 2018-08-30 and classified as critical. Affected by this issue is the function dtls_sha256_update. The manipulation of the argument fragment length leads to buffer overflow.

This vulnerability is handled as CVE-2021-42147. The attack may be launched remotely. There is no exploit available.