Use After Free in Php

CVE-2016-7413

Use-after-free vulnerability in the wddx_stack_destroy function in ext/wddx/wddx.c in PHP before 5.6.26 and 7.x before 7.0.11 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a wddxPacket XML document that lacks an end-tag for a recordset field element, leading to mishandling in a wddx_deserialize call.

Vulnerability class: Use-After-Free

EPSS: 0.067 (93.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Php — versions 7.0.0, 7.0.1, 7.0.2
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-7413?
CVE-2016-7413 is a critical-severity vulnerability in Php, classified under Use After Free. CVSS score: 9.8/10. Published 2016-09-17.
How severe is CVE-2016-7413?
Critical severity. CVSS v3 base score is 9.8 out of 10.