Integer overflow in Php

CVE-2016-7133

Zend/zend_alloc.c in PHP 7.x before 7.0.10, when open_basedir is enabled, mishandles huge realloc operations, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a long pathname.

Vulnerability class: Integer Overflow

EPSS: 0.041 (89.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Php — versions 7.0.0, 7.0.1, 7.0.2
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-7133?
CVE-2016-7133 is a high-severity vulnerability in Php, classified under Integer Overflow or Wraparound. CVSS score: 8.1/10. Published 2016-09-12.
How severe is CVE-2016-7133?
High severity. CVSS v3 base score is 8.1 out of 10.