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Vulnerability details: VCID-12qt-uvs5-aaar
Vulnerability ID VCID-12qt-uvs5-aaar
Aliases CVE-2016-4537
Summary The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-20 Improper Input Validation
CWE-122 Heap-based Buffer Overflow
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-4537.html
generic_textual Medium http://php.net/ChangeLog-5.php
generic_textual Low http://php.net/ChangeLog-7.php
rhas Moderate https://access.redhat.com/errata/RHSA-2016:2750
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.02554 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03464 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.03592 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.06482 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
epss 0.08315 https://api.first.org/data/v1/epss?cve=CVE-2016-4537
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1332860
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7456
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3074
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4537
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4538
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4539
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4540
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4541
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4542
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4543
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4544
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5093
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5094
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5095
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5096
cvssv2 2.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.1 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
generic_textual HIGH https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
cvssv3.1 8.1 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
generic_textual HIGH https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-4537
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-4537
generic_textual Low https://ubuntu.com/security/notices/USN-2984-1
generic_textual Low http://www.openwall.com/lists/oss-security/2016/05/05/21
Reference id Reference type URL
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-4537.html
http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php
http://rhn.redhat.com/errata/RHSA-2016-2750.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-4537.json
https://api.first.org/data/v1/epss?cve=CVE-2016-4537
https://bugs.php.net/bug.php?id=72093
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7456
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3074
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4537
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4538
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4539
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4540
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4541
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4542
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4543
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4544
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5093
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5094
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5095
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5096
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d650063a0457aec56364e4005a636dc6c401f9cd
https://git.php.net/?p=php-src.git;a=commit;h=d650063a0457aec56364e4005a636dc6c401f9cd
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
https://security.gentoo.org/glsa/201611-22
https://ubuntu.com/security/notices/USN-2984-1
http://www.debian.org/security/2016/dsa-3602
http://www.openwall.com/lists/oss-security/2016/05/05/21
http://www.securityfocus.com/bid/90173
1332860 https://bugzilla.redhat.com/show_bug.cgi?id=1332860
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
CVE-2016-4537 https://nvd.nist.gov/vuln/detail/CVE-2016-4537
RHSA-2016:2750 https://access.redhat.com/errata/RHSA-2016:2750
USN-2984-1 https://usn.ubuntu.com/2984-1/
No exploits are available.
Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-4537
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-4537
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.84155
EPSS Score 0.02554
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.