Description
The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x before 1.6.6, and 1.7.x before 1.7.3 and GnuPG before 1.4.21 make it easier for attackers to obtain the values of 160 bits by leveraging knowledge of the previous 4640 bits.
Metrics
CVSS 3.0 5.3/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://rhn.redhat.com/errata/RHSA-2016-2674.html
- http://www.debian.org/security/2016/dsa-3649Third Party Advisory
- http://www.debian.org/security/2016/dsa-3650Third Party Advisory
- http://www.securityfocus.com/bid/92527Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036635
- http://www.ubuntu.com/usn/USN-3064-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3065-1Third Party Advisory
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=blob_plain%3Bf=NEWS
- https://lists.gnupg.org/pipermail/gnupg-announce/2016q3/000395.htmlMailing List, Vendor Advisory
- https://security.gentoo.org/glsa/201610-04
- https://security.gentoo.org/glsa/201612-01
- http://rhn.redhat.com/errata/RHSA-2016-2674.html
- http://www.debian.org/security/2016/dsa-3649Third Party Advisory
- http://www.debian.org/security/2016/dsa-3650Third Party Advisory
- http://www.securityfocus.com/bid/92527Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036635
- http://www.ubuntu.com/usn/USN-3064-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3065-1Third Party Advisory
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=blob_plain%3Bf=NEWS
- https://lists.gnupg.org/pipermail/gnupg-announce/2016q3/000395.htmlMailing List, Vendor Advisory
- https://security.gentoo.org/glsa/201610-04
- https://security.gentoo.org/glsa/201612-01
Timeline
- Published
- Dec 13, 2016
- Last modified
- Jun 17, 2026
- NVD status
- Modified