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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.031 (87.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- PHP — versions 5.6.x before 5.6.1
Weakness classification (CWE)
References
- php.net/ChangeLog-5.php (Release Notes, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- bugs.php.net/bug.php (Exploit, Vendor Advisory)
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.