CVE-2016-4073
9.8
CRITICAL · CVSS 3.0 · EPSS 7.1% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 7.09% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-05-20 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| apple | mac os x |
| php | php |
References
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3560
- http://www.openwall.com/lists/oss-security/2016/04/24/1
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/85991
- http://www.ubuntu.com/usn/USN-2952-1
- http://www.ubuntu.com/usn/USN-2952-2
- https://bugs.php.net/bug.php?id=71906
- https://gist.github.com/smalyshev/d8355c96a657cc5dba70
- https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=64f42c73efc58e88671ad76b6b6bc8e2b62713e1
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://security.gentoo.org/glsa/201611-22
- https://support.apple.com/HT206567
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html
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