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CVE-2016-4073

Published: May 20, 2016Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-119
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
7.3%
Top 6.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

OS XApple Inc.
On-premOS
Operating Systems / mobile-os
PHPPHP Group
LibraryLibrary
OSS Libraries
n/an/a
phpphp
Dev Tool
OSS Libraries / generic-library
mac os xapple
On-premOS
Operating Systems / unix-bsd
apple inc.commercialUSMobile Appsaka apple
php grouposs-projectOSS Librariesaka php, pear
phposs-projectUSOSS Librariesaka php language, pecl, pear
applecommercialUSMobile Appsaka apple inc., apple computer

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://support.apple.com/HT206567
support.apple.com
https://git.php.net/?p=php-src.git;a=commit;h=64f42c73efc58e88671ad76b6b6bc8e2b62713e1
git.php.net
https://gist.github.com/smalyshev/d8355c96a657cc5dba70
gist.github.com
and 22 more references View all →

Timeline

Published
May 20, 2016
Last Updated
May 6, 2026

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