Unrated severityNVD Advisory· Published Jan 24, 2024· Updated May 30, 2025

CVE-2021-42147

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.

Affected products

Contiki-NG/tinyDTLSdescription
Eclipse/Tinydtlsllm-fuzzy
Range: <= 53a0d97

Patches

Vulnerability mechanics

References

seclists.org/fulldisclosure/2024/Jan/20mitre

News mentions

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