CVE-2016-10161

Name: CVE-2016-10161
Creator: NVD / NIST
Published: 2017-01-24T21:59:00.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 13.31%

Last modified Jun 17, 2026

CVE-2016-10161 is a vulnerability of currently unknown severity. The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call.. EPSS estimates a 13.31% chance of exploitation in the next 30 days.

Description

The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call.

Metrics

EPSS Probability

13.31%

95.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Php	Php	<= 5.6.29
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
Php	Php	7.0.11
Php	Php	7.0.12
Php	Php	7.0.13
Php	Php	7.0.14
Php	Php	7.1.0

References

http://php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
http://www.debian.org/security/2017/dsa-3783
http://www.securityfocus.com/bid/95768Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037659
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73825Issue Tracking
https://github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201702-29
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.tenable.com/security/tns-2017-04
http://php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
http://www.debian.org/security/2017/dsa-3783
http://www.securityfocus.com/bid/95768Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037659
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73825Issue Tracking
https://github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201702-29
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.tenable.com/security/tns-2017-04

Timeline

Published: Jan 24, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-10161?

How severe is CVE-2016-10161?

Severity scoring for CVE-2016-10161 is pending analysis. The EPSS model estimates a 13.31% probability of exploitation in the next 30 days.

How do I fix CVE-2016-10161?

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-2016-10161?

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

Scan your code now

Source: NVD / NIST