CVEvulnerability
CVE-2017-12934
7.5 HIGH
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- Status
- Modified
- Published
- 2017-08-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-416
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 configurations
• php php 7.0.0
• php php 7.0.1
• php php 7.0.2
• php php 7.0.3
• php php 7.0.4
• php php 7.0.5
• php php 7.0.6
• php php 7.0.7
• php php 7.0.8
• php php 7.0.9
• php php 7.0.10
• php php 7.0.11
• php php 7.0.12
• php php 7.0.13
• php php 7.0.14
• php php 7.0.15
• php php 7.0.16
• php php 7.0.17
• php php 7.0.18
• php php 7.0.19
• php php 7.0.20
• php php 7.1.0
• php php 7.1.1
• php php 7.1.2
• php php 7.1.3
• php php 7.1.4
• php php 7.1.5
• php php 7.1.6
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://php.net/ChangeLog-7.php Vendor Advisory
- http://www.securityfocus.com/bid/100428 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:1296 access.redhat.com
- https://bugs.php.net/bug.php?id=74101 Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4080 www.debian.org
- http://php.net/ChangeLog-7.php Vendor Advisory
- http://www.securityfocus.com/bid/100428 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:1296 access.redhat.com
- https://bugs.php.net/bug.php?id=74101 Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4080 www.debian.org