CVE-2016-7412

Name: CVE-2016-7412
Creator: NVD / NIST
Published: 2016-09-17T21:59:03.9+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.85%

Last modified Jun 17, 2026

CVE-2016-7412 is a vulnerability of currently unknown severity. ext/mysqlnd/mysqlnd_wireprotocol.c in PHP before 5.6.26 and 7.x before 7.0.11 does not verify that a BIT field has the UNSIGNED_FLAG flag, which allows remote MySQL servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted field metadata.. EPSS estimates a 8.85% chance of exploitation in the next 30 days.

Description

ext/mysqlnd/mysqlnd_wireprotocol.c in PHP before 5.6.26 and 7.x before 7.0.11 does not verify that a BIT field has the UNSIGNED_FLAG flag, which allows remote MySQL servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted field metadata.

Metrics

EPSS Probability

8.85%

94.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Php	Php	<= 5.6.25
Php	Php	7.0.0
Php	Php	7.0.1
Php	Php	7.0.2
Php	Php	7.0.3
Php	Php	7.0.4
Php	Php	7.0.5
Php	Php	7.0.6
Php	Php	7.0.7
Php	Php	7.0.8
Php	Php	7.0.9
Php	Php	7.0.10

References

http://www.openwall.com/lists/oss-security/2016/09/15/10Mailing List
http://www.php.net/ChangeLog-5.phpRelease Notes
http://www.php.net/ChangeLog-7.phpRelease Notes
http://www.securityfocus.com/bid/93005
http://www.securitytracker.com/id/1036836
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=72293Exploit, Issue Tracking
https://github.com/php/php-src/commit/28f80baf3c53e267c9ce46a2a0fadbb981585132?w=1Issue Tracking, Patch
https://security.gentoo.org/glsa/201611-22
https://www.tenable.com/security/tns-2016-19
http://www.openwall.com/lists/oss-security/2016/09/15/10Mailing List
http://www.php.net/ChangeLog-5.phpRelease Notes
http://www.php.net/ChangeLog-7.phpRelease Notes
http://www.securityfocus.com/bid/93005
http://www.securitytracker.com/id/1036836
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=72293Exploit, Issue Tracking
https://github.com/php/php-src/commit/28f80baf3c53e267c9ce46a2a0fadbb981585132?w=1Issue Tracking, Patch
https://security.gentoo.org/glsa/201611-22
https://www.tenable.com/security/tns-2016-19

Timeline

Published: Sep 17, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-7412?

How severe is CVE-2016-7412?

Severity scoring for CVE-2016-7412 is pending analysis. The EPSS model estimates a 8.85% probability of exploitation in the next 30 days.

How do I fix CVE-2016-7412?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-7412?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST