Servers and applications
CVE-2016-4073 Multiple integer overflows in the mbfl_strcut function in ext/mbstring/libmbfl/mbfl/mbfilter.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted mb_strcut call.
Severity Critical 9.8
Published 20 May 2016
Last changed 17 Jun 2026
Added to UpHeron 14 Oct 2026
Sources NVD Affected software Software Affected versions PHPServers and applications · cpe:a:php:php Version 7.0.4 Version 7.0.3 Version 7.0.2 Version 7.0.1 All 75 release lines Version 5.5.0-alpha1 Version 5.5.0-alpha2 Version 5.5.0-alpha3 Version 5.5.0-alpha4 Version 5.5.0-alpha5 Version 5.5.0-alpha6 Version 5.5.0-beta1 Version 5.5.0-beta2 Version 5.5.0-beta3 Version 5.5.0-beta4 Version 5.5.0-rc1 Version 5.5.0-rc2 Version 5.5.0 Version 5.5.1 Version 5.5.2 Version 5.5.3 Version 5.5.4 Version 5.5.5 Version 5.5.6 Version 5.5.7 Version 5.5.8 Version 5.5.9 Version 5.5.10 Version 5.5.11 Version 5.5.12 Version 5.5.13 Version 5.5.14 Version 5.5.18 Version 5.5.19 Version 5.5.20 Version 5.5.21 Version 5.5.22 Version 5.5.23 Version 5.5.24 Version 5.5.25 Version 5.5.26 Version 5.5.27 Version 5.5.29 Version 5.5.30 Version 5.5.32 Version 5.5.33 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 5.6.0 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 7.0.0 Version 7.0.1 Version 7.0.2 Version 7.0.3 Version 7.0.4
References NVD https://nvd.nist.gov/vuln/detail/CVE-2016-4073 CVE.org https://www.cve.org/CVERecord?id=CVE-2016-4073