High severity · published Aug 7, 2016
CVE-2016-5094
Integer overflow in the php_html_entities 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…
8.6
CVSS
4.5%
EPSS
No
On KEV
Description
Integer overflow in the php_html_entities 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 the htmlspecialchars function.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.5% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
through 5.5.36; 5.6.0; 5.6.0; 5.6.0; 5.6.0; 5.6.0; +25 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-5094
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-5094
Release Notes
http://php.net/ChangeLog-5.php
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2750.html
www.debian.org
http://www.debian.org/security/2016/dsa-3602
Release Notes
http://www.openwall.com/lists/oss-security/2016/05/26/3
www.securityfocus.com
http://www.securityfocus.com/bid/90857
bugs.php.net
https://bugs.php.net/bug.php?id=72135
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