CVE-2016-9936

high-risk
Published 2017-01-04

The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted serialized data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6834.

Do I need to act?

-
0.70% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (14)

Affected Vendors

Php
52
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 18/34 · Moderate