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TI-2016-05406 Aliases CVE-2016-6313GHSA-44wq-cf78-w397

The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x…

Priority LOW 30CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 12 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.

Summary

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.

Why it matters now

EPSS 0.03597 89th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 12 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 15

CPEVersionsRoleVendor
cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*up to 1.5.3VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.6.0:*:*:*:*:*:*:*1.6.0VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.6.1:*:*:*:*:*:*:*1.6.1VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.6.2:*:*:*:*:*:*:*1.6.2VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.6.3:*:*:*:*:*:*:*1.6.3VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.6.4:*:*:*:*:*:*:*1.6.4VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.6.5:*:*:*:*:*:*:*1.6.5VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.7.0:*:*:*:*:*:*:*1.7.0VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.7.1:*:*:*:*:*:*:*1.7.1VulnerableGnuPG
cpe:2.3:a:gnupg:libgcrypt:1.7.2:*:*:*:*:*:*:*1.7.2VulnerableGnuPG
  • cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* Versions up to 1.5.3 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.6.0:*:*:*:*:*:*:* Versions 1.6.0 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.6.1:*:*:*:*:*:*:* Versions 1.6.1 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.6.2:*:*:*:*:*:*:* Versions 1.6.2 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.6.3:*:*:*:*:*:*:* Versions 1.6.3 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.6.4:*:*:*:*:*:*:* Versions 1.6.4 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.6.5:*:*:*:*:*:*:* Versions 1.6.5 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.7.0:*:*:*:*:*:*:* Versions 1.7.0 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.7.1:*:*:*:*:*:*:* Versions 1.7.1 Vulnerable ·GnuPG
  • cpe:2.3:a:gnupg:libgcrypt:1.7.2:*:*:*:*:*:*:* Versions 1.7.2 Vulnerable ·GnuPG
Show 5 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*up to 1.4.14VulnerableGnuPG
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* Versions up to 1.4.14 Vulnerable ·GnuPG

Remediation

Red Hat 1 advisory

  • RHSA-2016:2674 Released 2016-11-08 · Red Hat rating Moderate
    libgcrypt security update
    • Red Hat Enterprise Linux Client (v. 7) libgcrypt-1.5.3-13.el7_3.1
    • Red Hat Enterprise Linux Client Optional (v. 7) libgcrypt-devel-1.5.3-13.el7_3.1
    • Red Hat Enterprise Linux ComputeNode (v. 7) libgcrypt-1.5.3-13.el7_3.1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libgcrypt-devel-1.5.3-13.el7_3.1
    • Red Hat Enterprise Linux Desktop (v. 6) libgcrypt-1.4.5-12.el6_8
    • Red Hat Enterprise Linux Desktop Optional (v. 6) libgcrypt-devel-1.4.5-12.el6_8
    • Red Hat Enterprise Linux HPC Node (v. 6) libgcrypt-1.4.5-12.el6_8
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) libgcrypt-devel-1.4.5-12.el6_8
    • Red Hat Enterprise Linux Server (v. 6) libgcrypt-1.4.5-12.el6_8, libgcrypt-1.4.5-12.el6_8.ppc, libgcrypt-devel-1.4.5-12.el6_8 +1
    • Red Hat Enterprise Linux Server (v. 7) libgcrypt-1.5.3-13.el7_3.1, libgcrypt-1.5.3-13.el7_3.1.ppc, libgcrypt-devel-1.5.3-13.el7_3.1 +1
    • Red Hat Enterprise Linux Workstation (v. 6) libgcrypt-1.4.5-12.el6_8, libgcrypt-devel-1.4.5-12.el6_8
    • Red Hat Enterprise Linux Workstation (v. 7) libgcrypt-1.5.3-13.el7_3.1, libgcrypt-devel-1.5.3-13.el7_3.1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:2674
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:2674
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:2674
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:2674
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2016:2674
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2016:2674
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2016:2674
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2016:2674
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2016:2674
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:2674
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2016:2674
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:2674

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6313
  2. 2026-10-03 Alias added: GHSA-44wq-cf78-w397

References

Advisory 8

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences