CVE-2017-6441

Publication date 3 April 2017

Last updated 4 August 2025

Ubuntu priority

Negligible

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
php5 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Ignored
12.04 LTS precise Ignored end of life
php7.0 17.04 zesty Ignored
16.10 yakkety Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
php7.1 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release

Notes

mdeslaur

disputed, not a security issue

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
php7.1

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Other references

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