CVE-2017-12934 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/z...
HighCVSS 7.5
EPSS 3.3%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| PHP | = 7.0.0 | No fix listed |
| PHP | = 7.0.1 | No fix listed |
| PHP | = 7.0.2 | No fix listed |
| PHP | = 7.0.3 | No fix listed |
| PHP | = 7.0.4 | No fix listed |
| PHP | = 7.0.5 | No fix listed |
| PHP | = 7.0.6 | No fix listed |
| PHP | = 7.0.7 | No fix listed |
| PHP | = 7.0.8 | No fix listed |
| PHP | = 7.0.9 | No fix listed |
| PHP | = 7.0.10 | No fix listed |
| PHP | = 7.0.11 | No fix listed |
| PHP | = 7.0.12 | No fix listed |
| PHP | = 7.0.13 | No fix listed |
| PHP | = 7.0.14 | No fix listed |
| PHP | = 7.0.15 | No fix listed |
| PHP | = 7.0.16 | No fix listed |
| PHP | = 7.0.17 | No fix listed |
| PHP | = 7.0.18 | No fix listed |
| PHP | = 7.0.19 | No fix listed |
| PHP | = 7.0.20 | No fix listed |
| PHP | = 7.1.0 | No fix listed |
| PHP | = 7.1.1 | No fix listed |
| PHP | = 7.1.2 | No fix listed |
| PHP | = 7.1.3 | No fix listed |
Show 3 more
| Product | Affected versions | Fixed in |
|---|---|---|
| PHP | = 7.1.4 | No fix listed |
| PHP | = 7.1.5 | No fix listed |
| PHP | = 7.1.6 | No fix listed |
References
- php.net vendor-advisory
- 100428 third-party-advisory vdb-entry
- RHSA-2018:1296 vendor-advisory
- bugs.php.net issue-tracking third-party-advisory
- DSA-4080 vendor-advisory