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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,…
Critical9.8EPSS 7.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 7.1% · top 5.8% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (18)
- USN-2952-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 85991 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.php.net/ChangeLog-7.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201611-22 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://support.apple.com/HT206567 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2750 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-3560 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-2952-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- APPLE-SA-2016-05-16-4 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- https://bugs.php.net/bug.php?id=71906 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.php.net/ChangeLog-5.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://gist.github.com/smalyshev/d8355c96a657cc5dba70 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=64f42c73efc58e88671ad76b6b6bc8e2b62713e1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2016:1274 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:1277 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20160423 Re: CVE request: PHP issues fixed in 7.0.5, 5.6.20 and 5.5.34 releases (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2016:1373 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .