CVE-2016-10161

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-01-24 · updated 2026-06-17
Weakness: CWE-125

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.

Affected products

PHP: through 5.6.29; 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5 (+10)

References

http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php
http://www.debian.org/security/2017/dsa-3783
http://www.securityfocus.com/bid/95768
http://www.securitytracker.com/id/1037659
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73825
https://github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2
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

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