Description

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.

Remediation

References

CVE-2017-12934

Related Vulnerabilities

Roundcube Cross-site Request Forgery (CSRF) Vulnerability (CVE-2016-4069)

MySQL Improper Link Resolution Before File Access ('Link Following') Vulnerability (CVE-2008-7247)

MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2018-13258)

Next.js Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-39178)

WordPress Plugin KN Fix Your Title Cross-Site Scripting (1.0.1)

Severity

High

Classification

CVE-2017-12934 CWE-416 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Tags

Missing Update Known Vulnerabilities