CVE-2016-5094: Integer Overflow

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Published Aug 7, 2016

Updated

Integer overflow in the phphtmlentities 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.

Affected Software

31 affected components

PHP PHP<=5.5.36

PHP PHP=5.6.0-alpha1

PHP PHP=5.6.0-alpha2

PHP PHP=5.6.0-alpha3

PHP PHP=5.6.0-alpha4

PHP PHP=5.6.0-alpha5

PHP PHP=5.6.0-beta1

PHP PHP=5.6.0-beta2

PHP PHP=5.6.0-beta3

PHP PHP=5.6.0-beta4

PHP PHP=5.6.1

PHP PHP=5.6.2

PHP PHP=5.6.3

PHP PHP=5.6.4

PHP PHP=5.6.5

PHP PHP=5.6.6

PHP PHP=5.6.7

PHP PHP=5.6.8

PHP PHP=5.6.9

PHP PHP=5.6.10

PHP PHP=5.6.11

PHP PHP=5.6.12

PHP PHP=5.6.13

PHP PHP=5.6.14

PHP PHP=5.6.15

PHP PHP=5.6.16

PHP PHP=5.6.17

PHP PHP=5.6.18

PHP PHP=5.6.19

PHP PHP=5.6.20

PHP PHP=5.6.21

Event History

Aug 7, 2016

CVE Published

via MITRE·10:00 AM

Data Sourced

via MITRE·10:00 AM

Description

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?