CVE-2017-12934

php: heap use after free in ext/standard/var_unserializer.re

Published Aug 18, 2017 CVSS 3.0 · 7.5 High EPSS 3.3% KEV · Not listed
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

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4080-1 php7.0 security update
EUVD EUVD EUVD-2017-4458 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 6:51 PM
Reserved
Aug 17, 2017, 12:00 AM
Status
Modified
Published
Aug 18, 2017, 3:29 AM
Modified
Jun 17, 2026, 1:04 AM
Severity
Moderate
Public date
Feb 15, 2017, 12:00 AM