| Name | CVE-2016-8635 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nss (PTS) | jessie, jessie (lts) | 2:3.26-1+debu8u19 | fixed |
| stretch (security) | 2:3.26.2-1.1+deb9u5 | fixed |
| stretch (lts), stretch | 2:3.26.2-1.1+deb9u8 | fixed |
| buster, buster (lts) | 2:3.42.1-1+deb10u9 | fixed |
| buster (security) | 2:3.42.1-1+deb10u8 | fixed |
| bullseye | 2:3.61-1+deb11u3 | fixed |
| bullseye (security) | 2:3.61-1+deb11u4 | fixed |
| bookworm | 2:3.87.1-1 | fixed |
| bookworm (security) | 2:3.87.1-1+deb12u1 | fixed |
| sid, trixie | 2:3.106-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| nss | source | (unstable) | 2:3.25-1 | | | |
Notes
Patch as applied in CentOS (but contains other changes):
https://git.centos.org/blob/rpms!nss!/aada6b10b73091276397404059605d13e7548462/SOURCES!moz-1314604.patch
Further info: https://bugzilla.redhat.com/show_bug.cgi?id=1391818
Upstream bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1314604