CVE-2021-42147
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductContiki-ng Tinydtls
PublishedJan 24, 2024
First seenJan 24, 2024
Weakness typeCWE-125Out-of-bounds read
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| contiki-ng tinydtls | 2018-08-30 | — |
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