CVE-2016-5094: Integer Overflow
First published: Sun Aug 07 2016(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | <=5.5.36 | |
| PHP | =5.6.0-alpha1 | |
| PHP | =5.6.0-alpha2 | |
| PHP | =5.6.0-alpha3 | |
| PHP | =5.6.0-alpha4 | |
| PHP | =5.6.0-alpha5 | |
| PHP | =5.6.0-beta1 | |
| PHP | =5.6.0-beta2 | |
| PHP | =5.6.0-beta3 | |
| PHP | =5.6.0-beta4 | |
| PHP | =5.6.1 | |
| PHP | =5.6.2 | |
| PHP | =5.6.3 | |
| PHP | =5.6.4 | |
| PHP | =5.6.5 | |
| PHP | =5.6.6 | |
| PHP | =5.6.7 | |
| PHP | =5.6.8 | |
| PHP | =5.6.9 | |
| PHP | =5.6.10 | |
| PHP | =5.6.11 | |
| PHP | =5.6.12 | |
| PHP | =5.6.13 | |
| PHP | =5.6.14 | |
| PHP | =5.6.15 | |
| PHP | =5.6.16 | |
| PHP | =5.6.17 | |
| PHP | =5.6.18 | |
| PHP | =5.6.19 | |
| PHP | =5.6.20 | |
| PHP | =5.6.21 |
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Reference Links
- http://php.net/ChangeLog-5.php
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3602
- http://www.openwall.com/lists/oss-security/2016/05/26/3
- http://www.securityfocus.com/bid/90857
- https://bugs.php.net/bug.php?id=72135
- https://github.com/php/php-src/commit/0da8b8b801f9276359262f1ef8274c7812d3dfda?w=1
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
Frequently Asked Questions
What is the severity of CVE-2016-5094?
CVE-2016-5094 has a medium severity rating due to its potential to cause denial of service.
How do I fix CVE-2016-5094?
To fix CVE-2016-5094, update PHP to version 5.5.36 or higher, or 5.6.22 or higher.
Which versions of PHP are affected by CVE-2016-5094?
CVE-2016-5094 affects PHP versions prior to 5.5.36 and 5.6.x before 5.6.22.
What types of attacks can be executed using CVE-2016-5094?
CVE-2016-5094 can allow remote attackers to execute denial of service attacks by causing large output strings.
Is CVE-2016-5094 a common vulnerability?
CVE-2016-5094 is a known vulnerability that affects several older versions of PHP widely used in web applications.
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- vendor/php
- canonical/php
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- version/php/5.6.0-alpha1
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- version/php/5.6.0-alpha4
- version/php/5.6.0-alpha5
- version/php/5.6.0-beta1
- version/php/5.6.0-beta2
- version/php/5.6.0-beta3
- version/php/5.6.0-beta4
- version/php/5.6.1
- version/php/5.6.2
- version/php/5.6.3
- version/php/5.6.4
- version/php/5.6.5
- version/php/5.6.6
- version/php/5.6.7
- version/php/5.6.8
- version/php/5.6.9
- version/php/5.6.10
- version/php/5.6.11
- version/php/5.6.12
- version/php/5.6.13
- version/php/5.6.14
- version/php/5.6.15
- version/php/5.6.16
- version/php/5.6.17
- version/php/5.6.18
- version/php/5.6.19
- version/php/5.6.20
- version/php/5.6.21