CVE-2016-6313
Moderate
CVE-2016-6313
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.
Exploit probability
3.6%
Published
December 13, 2016
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
98 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2016-6313
View original source
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.
05 / REFERENCES
Further evidence
- http://rhn.redhat.com/errata/RHSA-2016-2674.html
- http://www.debian.org/security/2016/dsa-3649
- http://www.debian.org/security/2016/dsa-3650
- http://www.securityfocus.com/bid/92527
- http://www.securitytracker.com/id/1036635
- http://www.ubuntu.com/usn/USN-3064-1
- http://www.ubuntu.com/usn/USN-3065-1
- 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.html
- https://security.gentoo.org/glsa/201610-04
- https://security.gentoo.org/glsa/201612-01