All vulnerabilities

Servers and applications

CVE-2016-9936

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.

Severity
Critical 9.8
Published
4 Jan 2017
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 7.0.13
  • Version 7.0.12
  • Version 7.0.11
  • Version 7.0.10
All 14 release lines
  • Version 7.0.0
  • Version 7.0.1
  • Version 7.0.2
  • Version 7.0.3
  • Version 7.0.4
  • Version 7.0.5
  • Version 7.0.6
  • Version 7.0.7
  • Version 7.0.8
  • Version 7.0.9
  • Version 7.0.10
  • Version 7.0.11
  • Version 7.0.12
  • Version 7.0.13

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-9936
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-9936