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CVE-2016-7056

MEDIUM severity · CVSS 5.5 · CWE-385
5.5CVSS MEDIUM

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.

Impact & exploitability

Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products we track (2)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://www.securitytracker.com/id/1037575 ↗

Last checked: Wed, 10 Jun 2026 22:18:30 UTC