Double Free in Php

CVE-2016-5772

Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to cause a denial of service (application crash) or pos…

Vulnerability class: Double Free

EPSS: 0.159 (94.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-5772?
CVE-2016-5772 is a critical-severity vulnerability in Php, classified under Double Free. CVSS score: 9.8/10. Published 2016-08-07.
How severe is CVE-2016-5772?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-5772 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.