Vulnerability in Php

CVE-2015-0231

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.

EPSS: 0.426 (98.6th percentile) — read the EPSS interpretation.

Affected products

  • Php — versions 5.4.0, 5.4.1, 5.4.2
  • N/a — versions n/a

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-0231?
CVE-2015-0231 is a vulnerability in Php. Published 2015-01-27.
Is CVE-2015-0231 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.