Use After Free in Php

CVE-2017-11143

In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in ext/wddx/wddx.c.

Vulnerability class: Use-After-Free

EPSS: 0.068 (93.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Php
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-11143?
CVE-2017-11143 is a high-severity vulnerability in Php, classified under Use After Free. CVSS score: 7.5/10. Published 2017-07-10.
How severe is CVE-2017-11143?
High severity. CVSS v3 base score is 7.5 out of 10.