Description
Buffer over-read vulnerability in the dtls_sha256_update function in Contiki-NG tinyDTLS through master branch 53a0d97 allows remote attackers to cause a denial of service via crafted data packet.
Critical · 9.1
CVE-2021-42147
EUVD-2021-29130GHSA-9vpc-ch84-fc8h
Buffer over-read vulnerability in the dtls_sha256_update function in Contiki-NG tinyDTLS through master branch 53a0d97 allows remote attack…
Published Jan 24, 2024 · Updated May 30, 2025 · Assigned by mitre