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CVE-2015-3330

MEDIUM severity · CVSS 6.8 · Improper input validation
6.8CVSS MEDIUM

Summary

The php_handler function in sapi/apache2handler/sapi_apache2.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8, when the Apache HTTP Server 2.4.x is used, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via pipelined HTTP requests that result in a "deconfigured interpreter."

Impact & exploitability

Attack vectorNetwork
Attack complexity
Privileges required
User interaction
Confidentiality impact
Integrity impact
Availability impact
Exploit probability (EPSS)39%

AV:N/AC:M/Au:N/C:P/I:P/A:P

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://php.net/ChangeLog-5.php ↗

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