UpHeron
All vulnerabilities

Servers and applications

CVE-2016-5768

Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.

Severity
Critical 9.8
Published
7 Aug 2016
Last changed
17 Jun 2026
Added to UpHeron
14 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Version 7.0.7
  • Version 7.0.6
  • Version 7.0.5
  • Version 7.0.4
All 40 release lines
  • Every version up to 5.5.36
  • Version 5.6.0-alpha1
  • Version 5.6.0-alpha2
  • Version 5.6.0-alpha3
  • Version 5.6.0-alpha4
  • Version 5.6.0-alpha5
  • Version 5.6.0-beta1
  • Version 5.6.0-beta2
  • Version 5.6.0-beta3
  • Version 5.6.0-beta4
  • Version 5.6.1
  • Version 5.6.2
  • Version 5.6.3
  • Version 5.6.4
  • Version 5.6.5
  • Version 5.6.6
  • Version 5.6.7
  • Version 5.6.8
  • Version 5.6.9
  • Version 5.6.10
  • Version 5.6.11
  • Version 5.6.12
  • Version 5.6.13
  • Version 5.6.14
  • Version 5.6.15
  • Version 5.6.16
  • Version 5.6.17
  • Version 5.6.18
  • Version 5.6.19
  • Version 5.6.20
  • Version 5.6.21
  • Version 5.6.22
  • Version 7.0.0
  • Version 7.0.1
  • Version 7.0.2
  • Version 7.0.3
  • Version 7.0.4
  • Version 7.0.5
  • Version 7.0.6
  • Version 7.0.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-5768
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-5768