Critical severity9.8NVD Advisory· Published Jan 24, 2024· Updated Jun 17, 2026
CVE-2021-42144
CVE-2021-42144
Description
Buffer over-read vulnerability in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers obtain sensitive information via crafted input to dtls_ccm_decrypt_message().
Affected products
3cpe:2.3:o:contiki-ng:contiki-ng_tinydtls:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:contiki-ng:contiki-ng_tinydtls:*:*:*:*:*:*:*:*range: <=2018-08-30
- (no CPE)
- (no CPE)range: <53a0d97
Patches
Vulnerability mechanics
References
2- seclists.org/fulldisclosure/2024/Jan/17nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2024/Jan/17nvd
News mentions
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