CVE-2015-8617

9.8 criticalEPSS 23%

Critical (9.8) in php php. EPSS 23% chance of exploitation in the next 30 days.

Format string vulnerability in the zend_throw_or_error function in Zend/zend_execute_API.c in PHP 7.x before 7.0.1 allows remote attackers to execute arbitrary code via format string specifiers in a string that is misused as a class name, leading to incorrect error handling.

Severity

CVSS 3.0

9.8 critical

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

EPSS: 23% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-134
Published: 2016-01-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

php:php

References

http://php.net/ChangeLog-7.php
http://www.securitytracker.com/id/1034543
https://bugs.php.net/bug.php?id=71105
https://github.com/php/php-src/commit/b101a6bbd4f2181c360bd38e7683df4a03cba83e
http://php.net/ChangeLog-7.php

Check your stack JSON