CVEvulnerability

CVE-2021-42147

9.1 CRITICAL Published 2024-01-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2024-01-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weaknesses
CWE-125

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 configurations

• contiki-ng tinydtls 2018-08-30

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References