Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.
CVE-2015-0231 is a security vulnerability that . Impacting 1 product from php organizations running these solutions should prioritize assessment and patching.
First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.
2015-01-27T20:03:41.097
2025-04-12T10:46:40.837
Deferred
CVSSv2: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | php | php | ≤ 5.4.36 | Yes |
| Application | php | php | 5.4.0 | Yes |
| Application | php | php | 5.4.1 | Yes |
| Application | php | php | 5.4.2 | Yes |
| Application | php | php | 5.4.3 | Yes |
| Application | php | php | 5.4.4 | Yes |
| Application | php | php | 5.4.5 | Yes |
| Application | php | php | 5.4.6 | Yes |
| Application | php | php | 5.4.7 | Yes |
| Application | php | php | 5.4.8 | Yes |
| Application | php | php | 5.4.9 | Yes |
| Application | php | php | 5.4.10 | Yes |
| Application | php | php | 5.4.11 | Yes |
| Application | php | php | 5.4.12 | Yes |
| Application | php | php | 5.4.12 | Yes |
| Application | php | php | 5.4.12 | Yes |
| Application | php | php | 5.4.13 | Yes |
| Application | php | php | 5.4.13 | Yes |
| Application | php | php | 5.4.14 | Yes |
| Application | php | php | 5.4.14 | Yes |
| Application | php | php | 5.4.15 | Yes |
| Application | php | php | 5.4.16 | Yes |
| Application | php | php | 5.4.17 | Yes |
| Application | php | php | 5.4.18 | Yes |
| Application | php | php | 5.4.19 | Yes |
| Application | php | php | 5.4.20 | Yes |
| Application | php | php | 5.4.21 | Yes |
| Application | php | php | 5.4.22 | Yes |
| Application | php | php | 5.4.23 | Yes |
| Application | php | php | 5.4.24 | Yes |
| Application | php | php | 5.4.25 | Yes |
| Application | php | php | 5.4.26 | Yes |
| Application | php | php | 5.4.27 | Yes |
| Application | php | php | 5.4.28 | Yes |
| Application | php | php | 5.4.29 | Yes |
| Application | php | php | 5.4.30 | Yes |
| Application | php | php | 5.4.34 | Yes |
| Application | php | php | 5.4.35 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.1 | Yes |
| Application | php | php | 5.5.2 | Yes |
| Application | php | php | 5.5.3 | Yes |
| Application | php | php | 5.5.4 | Yes |
| Application | php | php | 5.5.5 | Yes |
| Application | php | php | 5.5.6 | Yes |
| Application | php | php | 5.5.7 | Yes |
| Application | php | php | 5.5.8 | Yes |
| Application | php | php | 5.5.9 | Yes |
| Application | php | php | 5.5.10 | Yes |
| Application | php | php | 5.5.11 | Yes |
| Application | php | php | 5.5.12 | Yes |
| Application | php | php | 5.5.13 | Yes |
| Application | php | php | 5.5.14 | Yes |
| Application | php | php | 5.5.15 | Yes |
| Application | php | php | 5.5.16 | Yes |
| Application | php | php | 5.5.17 | Yes |
| Application | php | php | 5.5.18 | Yes |
| Application | php | php | 5.5.19 | Yes |
| Application | php | php | 5.5.20 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.1 | Yes |
| Application | php | php | 5.6.2 | Yes |
| Application | php | php | 5.6.3 | Yes |
| Application | php | php | 5.6.4 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For php's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.