CVE-2016-5095

8.6 HIGH
Published: August 07, 2016 Modified: May 06, 2026
View on NVD

Description

Integer overflow in the php_escape_html_entities_ex function in ext/standard/html.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a large output string from a FILTER_SANITIZE_FULL_SPECIAL_CHARS filter_var call. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-5094.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://php.net/ChangeLog-5.php
Source: cve@mitre.org
Release Notes
http://php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://www.debian.org/security/2016/dsa-3602
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/05/26/3
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://www.securityfocus.com/bid/92144
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/bug.php?id=72135
Source: af854a3a-2127-422b-91ae-364da2661108
https://gist.github.com/8ef775c117d84ff15185953990a28576
Source: af854a3a-2127-422b-91ae-364da2661108

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.6 / 10.0
EPSS (Exploit Probability)
1.0%
77th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

php