CVE-2016-4073

9.8 CRITICAL
Published: May 20, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://bugs.php.net/bug.php?id=71906
Source: cve@mitre.org
Exploit
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3560
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/04/24/1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.php.net/ChangeLog-7.php
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/85991
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2952-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2952-2
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/bug.php?id=71906
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
https://gist.github.com/smalyshev/d8355c96a657cc5dba70
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201611-22
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/HT206567
Source: af854a3a-2127-422b-91ae-364da2661108

36 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
11.0%
93th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

apple php