CVE-2026-42770
CVE-2026-42770
Issue summary: When EVP_PKEY_derive_set_peer() is called with a DHX (X9.42) peer key, the peer key is not properly checked for the subgroup membership. Impact summary: A malicious peer which presents an X9.42 key carrying the victim's p a…
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-42770?
- CVE-2026-42770 is a low-severity vulnerability, classified under Missing Cryptographic Step. CVSS score: 3.7/10. Published 2026-06-09.
- How severe is CVE-2026-42770?
- Low severity. CVSS v3 base score is 3.7 out of 10.