CVE-2016-5094

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Summary

CVECVE-2016-5094
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-08-07 10:59:07 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionInteger 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.

Risk And Classification

Primary CVSS: v3.0 8.6 HIGH from [email protected]

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

Problem Types: CWE-190 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.6HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Php Php 5.6.0 alpha1 All All
Application Php Php 5.6.0 alpha2 All All
Application Php Php 5.6.0 alpha3 All All
Application Php Php 5.6.0 alpha4 All All
Application Php Php 5.6.0 alpha5 All All
Application Php Php 5.6.0 beta1 All All
Application Php Php 5.6.0 beta2 All All
Application Php Php 5.6.0 beta3 All All
Application Php Php 5.6.0 beta4 All All
Application Php Php 5.6.1 All All All
Application Php Php 5.6.10 All All All
Application Php Php 5.6.11 All All All
Application Php Php 5.6.12 All All All
Application Php Php 5.6.13 All All All
Application Php Php 5.6.14 All All All
Application Php Php 5.6.15 All All All
Application Php Php 5.6.16 All All All
Application Php Php 5.6.17 All All All
Application Php Php 5.6.18 All All All
Application Php Php 5.6.19 All All All
Application Php Php 5.6.2 All All All
Application Php Php 5.6.20 All All All
Application Php Php 5.6.21 All All All
Application Php Php 5.6.3 All All All
Application Php Php 5.6.4 All All All
Application Php Php 5.6.5 All All All
Application Php Php 5.6.6 All All All
Application Php Php 5.6.7 All All All
Application Php Php 5.6.8 All All All
Application Php Php 5.6.9 All All All
Application Php Php All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com
Fix bug #72135 - don't create strings with lengths outside int range · php/php-src@0da8b8b · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
oss-security - Re: Fwd: CVE for PHP 5.5.36 issues af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Release Notes
PHP :: Sec Bug #72135 :: Integer Overflow in php_html_entities() af854a3a-2127-422b-91ae-364da2661108 bugs.php.net
PHP 'php_html_entities()' Function Integer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Debian -- Security Information -- DSA-3602-1 php5 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
PHP: PHP 5 ChangeLog af854a3a-2127-422b-91ae-364da2661108 php.net Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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