CVE-2014-3622

Name: CVE-2014-3622
Creator: NVD / NIST
Published: 2020-02-19T13:15:10.51+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.12%

Last modified Jun 17, 2026

CVE-2014-3622 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 3.12% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.12%

86.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Php	Php	>= 5.6.0, < 5.6.1

References

http://php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
https://bugs.php.net/bug.php?id=68088Exploit, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1151423Issue Tracking, Patch, Third Party Advisory
http://php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
https://bugs.php.net/bug.php?id=68088Exploit, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1151423Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Feb 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-3622?

How severe is CVE-2014-3622?

CVE-2014-3622 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.12% probability of exploitation in the next 30 days.

How do I fix CVE-2014-3622?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-3622?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST