CVE-2016-4073

CRITICAL

PHP <5.5.34, <5.6.20, <7.0.5 - Buffer Overflow

Title source: llm
STIX 2.1

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.

References (18)

Core 18
Core References
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2952-1
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/85991
Vendor Advisory x_refsource_confirm
http://www.php.net/ChangeLog-7.php
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201611-22
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT206567
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3560
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2952-2
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
Exploit x_refsource_confirm
https://bugs.php.net/bug.php?id=71906
Vendor Advisory x_refsource_confirm
http://www.php.net/ChangeLog-5.php
Various Sources x_refsource_confirm
https://gist.github.com/smalyshev/d8355c96a657cc5dba70
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/04/24/1

Scores

CVSS v3 9.8
EPSS 0.1104
EPSS Percentile 93.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (31)
apple/mac_os_x < 10.11.3
php/php 5.5.0 (13 CPE variants)
php/php 5.5.1
php/php 5.5.2
php/php 5.5.3
php/php 5.5.4
php/php 5.5.5
php/php 5.5.6
php/php 5.5.7
php/php 5.5.8
... and 21 more
Published May 20, 2016
Tracked Since Feb 18, 2026