{"cve":"CVE-2016-8635","nvd":{"published":"2018-08-01T13:29:00.217","modified":"2026-06-17T00:54:39.220","status":"Modified","description":"It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-358","CWE-320"],"references":["http://rhn.redhat.com/errata/RHSA-2016-2779.html","http://www.securityfocus.com/bid/94346","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8635","https://security.gentoo.org/glsa/201701-46","http://rhn.redhat.com/errata/RHSA-2016-2779.html"],"products":["mozilla:network_security_services","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2016-8635","score":0.01989,"percentile":0.8064,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}