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Vulnerability record · CVE-2016-10161 · published 24 January 2017

CVE-2016-10161: Php out-of-bounds read vulnerability

Php · Php

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.

7.5 CVSS 3.0 High EPSS 13% · top 3.7% CWE-125 · Out-of-bounds read
7.5CVSS 3.0 base score, v2 5.0
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://php.net/ChangeLog-5.php Release NotesVendor Advisory
http://php.net/ChangeLog-7.php Release NotesVendor Advisory
http://www.debian.org/security/2017/dsa-3783
http://www.securityfocus.com/bid/95768 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037659
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73825 Issue Tracking
https://github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2 Issue TrackingPatchThird 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.php Release NotesVendor Advisory
http://php.net/ChangeLog-7.php Release NotesVendor Advisory
http://www.debian.org/security/2017/dsa-3783
http://www.securityfocus.com/bid/95768 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037659
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73825 Issue Tracking
https://github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2 Issue TrackingPatchThird 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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-10161), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.