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CVE-2016-3440

HIGH severity · CVSS 7.7
7.7CVSS HIGH

Summary

Unspecified vulnerability in Oracle MySQL 5.7.11 and earlier allows remote authenticated users to affect availability via vectors related to Server: Optimizer.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%

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

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html ↗

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