CVE-2016-9936 is a critical use-after-free vulnerability in the unserialize implementation of PHP 7.x before version 7.0.14, affecting the ext/standard/var.c component. This flaw, an incomplete fix for CVE-2015-6834, allows remote attackers to trigger a denial of service or potentially achieve other unspecified impacts through crafted serialized data. With a CVSS score of 9.8 (Critical), it presents a low attack complexity and requires no user interaction or privileges, enabling high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0.0CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* | ||
7.0.1CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* | ||
7.0.2CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* | ||
7.0.3CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* | ||
7.0.4CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.