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VULNERABILITIES

CVE-2017-6441 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugs.php.net/bug.php?id=74146 CVEIssue Tracking
https://github.com/php/php-src/pull/2396 CVEPatch
https://bugs.php.net/bug.php?id=74146 [email protected]Issue Tracking
https://github.com/php/php-src/pull/2396 [email protected]Patch

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
php php
7.1.2

CPE

  • cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-6441
NVD Published Date:
Apr 3, 2017
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2017-6441 Details - Not Deferred