CVE-2016-7479
Summary
| CVE | CVE-2016-7479 |
|---|---|
| State | PUBLISHED |
| Assigner | checkpoint |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-01-12 00:59:00 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution. |
Risk And Classification
Primary CVSS: v3.0 9.8 CRITICAL from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.201720000 probability, percentile 0.955440000 (date 2026-05-11)
Problem Types: CWE-416 | Remote Code Execution
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 9.8 | CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:L/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Php | Php | 7.0.0 | All | All | All |
| Application | Php | Php | 7.0.1 | All | All | All |
| Application | Php | Php | 7.0.10 | All | All | All |
| Application | Php | Php | 7.0.11 | All | All | All |
| Application | Php | Php | 7.0.12 | All | All | All |
| Application | Php | Php | 7.0.14 | All | All | All |
| Application | Php | Php | 7.0.2 | All | All | All |
| Application | Php | Php | 7.0.3 | All | All | All |
| Application | Php | Php | 7.0.4 | All | All | All |
| Application | Php | Php | 7.0.5 | All | All | All |
| Application | Php | Php | 7.0.6 | All | All | All |
| Application | Php | Php | 7.0.7 | All | All | All |
| Application | Php | Php | 7.0.8 | All | All | All |
| Application | Php | Php | 7.0.9 | All | All | All |
| Application | Php | Php | 7.1.0 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| PHP Multiple Flaws Let Remote and Local Users Obtain Potentially Sensitive Information, Deny Service, and Execute Arbitrary Code - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| PHP :: Sec Bug #73092 :: Unserialize use-after-free when resizing object's properties hash table | af854a3a-2127-422b-91ae-364da2661108 | bugs.php.net | Issue Tracking, Permissions Required |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| September 2017 PHP Vulnerabilities in NetApp Products | NetApp Product Security | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | |
| blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf | af854a3a-2127-422b-91ae-364da2661108 | blog.checkpoint.com | Exploit, Technical Description, Third Party Advisory |
| YouTube | af854a3a-2127-422b-91ae-364da2661108 | www.youtube.com | Technical Description |
| Check Point discovers three Zero-Day Vulnerabilities in web programming language PHP 7 | Check Point Blog | af854a3a-2127-422b-91ae-364da2661108 | blog.checkpoint.com | Third Party Advisory |
| PHP CVE-2016-7479 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.