CVE-2016-5095

8.6 highEPSS 2.6%

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.

Severity

CVSS 3.0

8.6 high

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

EPSS: 2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2016-08-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

php:php

References

http://php.net/ChangeLog-5.php
http://www.debian.org/security/2016/dsa-3602
http://www.openwall.com/lists/oss-security/2016/05/26/3
http://www.securityfocus.com/bid/92144
https://bugs.php.net/bug.php?id=72135

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