CVE-2014-8142
CVSS Score Not Available
88.32%
HIGH RiskEPSS (100th percentile)
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.36, 5.5.x before 5.5.20, and 5.6.x before 5.6.4 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate keys within the serialized properties of an object, a different vulnerability than CVE-2004-1019.
Published: 12/20/2014
Modified: 4/12/2025
Vulnerability Summary
EPSS Score (Exploitation Probability)
88.32%HIGH Exploitation Risk
100th percentile
This vulnerability has a 88.32% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.