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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.067 (93.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.067 · newest: 0.067 · change: 0.000
Affected products
- PHP — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
References
- github.com/php/php-src/commit/b88393f08a558eec14964a55d3c680fe67407712 (Patch, Issue Tracking)
- www.php.net/ChangeLog-7.php (Release Notes)
- security.gentoo.org/glsa/201611-22 (vendor-advisory)
- www.securitytracker.com/id/1036836 (vdb-entry)
- www.openwall.com/lists/oss-security/2016/09/15/10 (mailing-list, Mailing List)
- access.redhat.com/errata/RHSA-2018:1296 (vendor-advisory)
- www.php.net/ChangeLog-5.php (Release Notes)
- www.tenable.com/security/tns-2016-19
- www.securityfocus.com/bid/93006 (vdb-entry)
- bugs.php.net/bug.php (Exploit, Issue Tracking)
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.