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Contiki-NG tinyDTLSBuffer over-read vulnerability in the dtls_sha256_update function in Contiki-NG tinyDTLS through mas…

Risk 66
Severity
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Buffer over-read vulnerability in the dtlssha256update function in Contiki-NG tinyDTLS through master branch 53a0d97 allows remote attackers to cause a denial of service via crafted data packet.

First published (updated )
CVE-2021-42147

Contiki-NG tinyDTLSAn issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle…

Risk 86
Severity
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.

First published (updated )
CVE-2021-42142

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