All vulnerabilities

Servers and applications

CVE-2017-6441

The _zval_get_long_func_ex in Zend/zend_operators.c in PHP 7.1.2 allows attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted use of "declare(ticks=" in a PHP script. NOTE: the vendor disputes the classification of this as a vulnerability, stating "Please do not request CVEs for ordinary bugs. CVEs are relevant for security issues only.

Severity
High 7.5
Published
3 Apr 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 7.1.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-6441
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-6441