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TI-2016-05561 Aliases CVE-2016-6489GHSA-m9gx-jgm7-m42g

The RSA and DSA decryption code in Nettle makes it easier for attackers to discover…

Priority MEDIUM 41CWE-203Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-203.

Summary

The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.

Why it matters now

EPSS 0.05048 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 · 9

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
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:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*16.10VulnerableCanonical
cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:*before 3.3VulnerableNettle Project
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • 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:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:* Versions 16.10 Vulnerable ·Canonical
  • cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:* Versions before 3.3 Vulnerable ·Nettle Project

Remediation

Red Hat 1 advisory

  • RHSA-2016:2582 Released 2016-11-03 · Red Hat rating Moderate
    nettle security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) nettle-2.7.1-8.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) nettle-devel-2.7.1-8.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) nettle-2.7.1-8.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) nettle-devel-2.7.1-8.el7
    • Red Hat Enterprise Linux Server (v. 7) nettle-2.7.1-8.el7, nettle-2.7.1-8.el7.ppc, nettle-devel-2.7.1-8.el7 +1
    • Red Hat Enterprise Linux Workstation (v. 7) nettle-2.7.1-8.el7, nettle-devel-2.7.1-8.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:2582
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:2582
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:2582
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:2582
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:2582
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:2582

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6489
  2. 2026-10-03 Alias added: GHSA-m9gx-jgm7-m42g

References

Patch 2

Advisory 5

Other 1

Sources

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