CVE-2017-12934
HIGHPHP 7.0.x < 7.0.21 and 7.1.x < 7.1.7 - Use-After-Free in Unserialization
Title source: llmDescription
ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/zend_types.h. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
References (5)
Core 5
Core References
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugs.php.net/bug.php?id=74101
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100428
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1296
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4080
Vendor Advisory x_refsource_confirm
http://php.net/ChangeLog-7.php
Scores
CVSS v3
7.5
EPSS
0.0041
EPSS Percentile
61.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-416
Status
published
Products (28)
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
... and 18 more
Published
Aug 18, 2017
Tracked Since
Feb 18, 2026