Use After Free in Php

CVE-2014-3622

Use-after-free vulnerability in the add_post_var function in the Posthandler component in PHP 5.6.x before 5.6.1 might allow remote attackers to execute arbitrary code by leveraging a third-party filter extension that accesses a certain ksep value.

Vulnerability class: Use-After-Free

EPSS: 0.031 (86.5th 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

  • Php — versions 5.6.x before 5.6.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2014-3622?
CVE-2014-3622 is a critical-severity vulnerability in Php, classified under Use After Free. CVSS score: 9.8/10. Published 2020-02-19.
How severe is CVE-2014-3622?
Critical severity. CVSS v3 base score is 9.8 out of 10.