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Vulnerability details: VCID-zqhn-z3yy-aaas
Vulnerability ID VCID-zqhn-z3yy-aaas
Aliases CVE-2016-4345
Summary Integer overflow in the php_filter_encode_url function in ext/filter/sanitizing_filters.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-190 Integer Overflow or Wraparound
CWE-122 Heap-based Buffer Overflow
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-4345.html
generic_textual Low http://php.net/ChangeLog-7.php
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rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1315339
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4345
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-4345
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-4345
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-4345
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-4345.html
http://php.net/ChangeLog-7.php
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-4345.json
https://api.first.org/data/v1/epss?cve=CVE-2016-4345
https://bugs.php.net/bug.php?id=71637
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4345
http://www.openwall.com/lists/oss-security/2016/04/28/2
1315339 https://bugzilla.redhat.com/show_bug.cgi?id=1315339
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:*:*:*:*:*:*:*:*
CVE-2016-4345 https://nvd.nist.gov/vuln/detail/CVE-2016-4345
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-4345
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:3.1/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-2016-4345
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:3.1/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-2016-4345
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 0.55458
EPSS Score 0.00362
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.