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.
References (4)
Scores
CVSS v3
5.3
EPSS
0.0042
EPSS Percentile
61.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-320
CWE-358
Status
published
Products (19)
mozilla/network_security_services
3.21 - 3.21.4
redhat/enterprise_linux_desktop
5.0
redhat/enterprise_linux_desktop
6.0
redhat/enterprise_linux_desktop
7.0
redhat/enterprise_linux_server
5.0
redhat/enterprise_linux_server
6.0
redhat/enterprise_linux_server
7.0
redhat/enterprise_linux_server_aus
7.3
redhat/enterprise_linux_server_aus
7.4
redhat/enterprise_linux_server_aus
7.6
... and 9 more
Published
Aug 01, 2018
Tracked Since
Feb 18, 2026