UBUNTU-CVE-2017-12934

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2017-12934
Published: 18 Aug 2017, 03:29
Last modified:16 Jul 2025, 07:35

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Aug 2017, 03:29
Published
Vulnerability first disclosed
16 Jul 2025, 07:35
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • ubuntu•php7.0

    < 7.0.22-0ubuntu0.16.04.1

References (3)