CVE-2016-8635
5.9
MEDIUM
CVSS 3.1
EPSS 0.41%
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.
How to fix CVE-2016-8635
To remediate CVE-2016-8635, upgrade the affected package to a fixed version below.
- Debian/nss—upgrade to 2:3.25-1 or later
Is CVE-2016-8635 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2:3.25-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |