| Name | CVE-2017-12934 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4080-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php7.0 (PTS) | stretch (security) | 7.0.33-0+deb9u12 | fixed |
| stretch (lts), stretch | 7.0.33-0+deb9u19 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| php7.0 | source | stretch | 7.0.27-0+deb9u1 | | DSA-4080-1 | |
| php7.0 | source | (unstable) | 7.0.22-1 | | | |
| php7.1 | source | (unstable) | 7.1.8-1 | | | |
Notes
Fixed in 7.1.7, 7.0.21
PHP Bug: https://bugs.php.net/bug.php?id=74101