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TI-2016-06066 Aliases CVE-2016-7056GHSA-9f4v-cw9w-g4cw

A timing attack flaw was found in OpenSSL 1.0.1u and before that could allow a malicious…

Priority LOW 26CWE-385Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 14 fixed, 4 without a fix

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat.

Summary

A timing attack flaw was found in OpenSSL 1.0.1u and before that could allow a malicious user with local access to recover ECDSA P-256 private keys.

Why it matters now

EPSS 0.00618 49th percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 14 fixed, 4 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
The OpenSSL Projectopensslopenssl 1.0.1u—No fix listedCNA
  • openssl VendorThe OpenSSL Project Affected openssl 1.0.1u Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*up to 1.0.1uVulnerableOpenSSL
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
  • cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* Versions up to 1.0.1u Vulnerable ·OpenSSL
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical

Remediation

Red Hat 5 advisories

  • RHSA-2017:1802 Released 2017-07-25 · Red Hat rating Important
    Red Hat JBoss Web Server Service Pack 1 security update
    • Red Hat JBoss Web Server 3.1
  • RHSA-2017:1801 Released 2017-07-25 · Red Hat rating Important
    Red Hat JBoss Web Server 3.1.0 Service Pack 1 security update
    • Red Hat JBoss Web Server 3.1 for RHEL 6 log4j-eap6-1.2.16-12.redhat_3.1.ep6.el6, tomcat-native-1.2.8-10.redhat_10.ep7.el6, tomcat7-7.0.70-22.ep7.el6 +23
    • Red Hat JBoss Web Server 3.1 for RHEL 7 log4j-eap6-1.2.16-12.redhat_3.1.ep6.el7, tomcat-native-1.2.8-10.redhat_10.ep7.el7, tomcat7-7.0.70-22.ep7.el7 +23
  • RHSA-2017:1413 Released 2017-06-07 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 for RHEL 7
    • Red Hat JBoss Core Services on RHEL 7 Server jbcs-httpd24-httpd-2.4.23-120.jbcs.el7, jbcs-httpd24-httpd-devel-2.4.23-120.jbcs.el7, jbcs-httpd24-httpd-libs-2.4.23-120.jbcs.el7 +13
Show 2 more Red Hat advisories
  • RHSA-2017:1414 Released 2017-06-07 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 for RHEL 6
    • Red Hat JBoss Core Services on RHEL 6 Server jbcs-httpd24-httpd-2.4.23-120.jbcs.el6, jbcs-httpd24-httpd-devel-2.4.23-120.jbcs.el6, jbcs-httpd24-httpd-libs-2.4.23-120.jbcs.el6 +13
  • RHSA-2017:1415 Released 2017-06-07 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1
    • Red Hat JBoss Core Services

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Virtualization 3AffectedNo fix planned: Will not fix
Red Hat JBoss Enterprise Web Server 1AffectedNo fix planned: Will not fix
Red Hat JBoss Web Server 3AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux Client (v. 7)Fixed—
Red Hat Enterprise Linux Client Optional (v. 7)Fixed—
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed—
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed—
Red Hat Enterprise Linux Server (v. 7)Fixed—
Red Hat Enterprise Linux Server Optional (v. 7)Fixed—
Red Hat Enterprise Linux Workstation (v. 7)Fixed—
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed—
Red Hat JBoss Core ServicesFixed RHSA-2017:1415
Red Hat JBoss Core Services on RHEL 6 ServerFixed RHSA-2017:1414
Red Hat JBoss Core Services on RHEL 7 ServerFixed RHSA-2017:1413
Red Hat JBoss Web Server 3.1Fixed RHSA-2017:1802
Red Hat JBoss Web Server 3.1 for RHEL 6Fixed RHSA-2017:1801
Red Hat JBoss Web Server 3.1 for RHEL 7Fixed RHSA-2017:1801
Not affected: 5 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat JBoss Enterprise Application Platform 6
  • Red Hat JBoss Enterprise Web Server 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-7056
  2. 2026-10-03 Alias added: GHSA-9f4v-cw9w-g4cw

References

Patch 5

Advisory 8

Other 1

Sources

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