critical
9.8
CWE
20
Advisory Published
Updated

CVE-2016-4071: Input Validation

First published: Fri May 20 2016(Updated: )

Fixed bug (php_snmp_error() Format String Vulnerability). (CVE-2016-4071)

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/php5
debian/php7.0
PHP<7.0.5
7.0.5
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
Apple iOS and macOS<=10.11.4
PHP=5.5.0
PHP=5.5.0-alpha1
PHP=5.5.0-alpha2
PHP=5.5.0-alpha3
PHP=5.5.0-alpha4
PHP=5.5.0-alpha5
PHP=5.5.0-alpha6
PHP=5.5.0-beta1
PHP=5.5.0-beta2
PHP=5.5.0-beta3
PHP=5.5.0-beta4
PHP=5.5.0-rc1
PHP=5.5.0-rc2
PHP=5.5.1
PHP=5.5.2
PHP=5.5.3
PHP=5.5.4
PHP=5.5.5
PHP=5.5.6
PHP=5.5.7
PHP=5.5.8
PHP=5.5.9
PHP=5.5.10
PHP=5.5.11
PHP=5.5.12
PHP=5.5.13
PHP=5.5.14
PHP=5.5.15
PHP=5.5.16
PHP=5.5.17
PHP=5.5.18
PHP=5.5.19
PHP=5.5.20
PHP=5.5.21
PHP=5.5.22
PHP=5.5.23
PHP=5.5.24
PHP=5.5.25
PHP=5.5.26
PHP=5.5.27
PHP=5.5.29
PHP=5.5.30
PHP=5.5.31
PHP=5.5.32
PHP=5.5.33
PHP=7.0.0
PHP=7.0.1
PHP=7.0.2
PHP=7.0.3
PHP=7.0.4

Remedy

https://git.php.net/?p=php-src.git;a=commit;h=6e25966544fb1d2f3d7596e060ce9c9269bbdcf8

Remedy

https://git.php.net/?p=php-src.git;a=commit;h=9c19a08b9daed6bae3071dd25742f59a59618823

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-4071?

    CVE-2016-4071 is classified as a high severity vulnerability due to its potential for allowing remote code execution.

  • How do I fix CVE-2016-4071?

    To fix CVE-2016-4071, upgrade your PHP installation to version 5.5.34, 5.6.20, or 7.0.5 or higher.

  • What versions of PHP are affected by CVE-2016-4071?

    CVE-2016-4071 affects PHP versions prior to 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5.

  • Is CVE-2016-4071 exploitable remotely?

    Yes, CVE-2016-4071 is exploitable remotely through the php_snmp_error function via crafted format string specifiers.

  • What impact does CVE-2016-4071 have on my system?

    CVE-2016-4071 can lead to arbitrary code execution, which may compromise the security and integrity of the affected system.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203