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Vulnerability details: VCID-h5xc-cubs-5fgu
Vulnerability ID VCID-h5xc-cubs-5fgu
Aliases CVE-2016-4472
Summary Multiple vulnerabilities have been found in Expat, the worst of which may allow execution of arbitrary code.
Status Published
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-190 Integer Overflow or Wraparound
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
epss 0.02271 https://api.first.org/data/v1/epss?cve=CVE-2016-4472
cvssv2 6.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2016-4472
cvssv3.1 8.1 https://nvd.nist.gov/vuln/detail/CVE-2016-4472
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-4472.json
https://api.first.org/data/v1/epss?cve=CVE-2016-4472
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4472
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://kc.mcafee.com/corporate/index?page=content&id=SB10365
https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde
https://www.tenable.com/security/tns-2016-20
http://www.securityfocus.com/bid/91528
http://www.ubuntu.com/usn/USN-3013-1
1344251 https://bugzilla.redhat.com/show_bug.cgi?id=1344251
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:policy_auditor:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mcafee:policy_auditor:*:*:*:*:*:*:*:*
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
CVE-2016-4472 https://nvd.nist.gov/vuln/detail/CVE-2016-4472
GLSA-201701-21 https://security.gentoo.org/glsa/201701-21
USN-3013-1 https://usn.ubuntu.com/3013-1/
USN-7199-1 https://usn.ubuntu.com/7199-1/
USN-USN-5455-1 https://usn.ubuntu.com/USN-5455-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P 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: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-4472
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:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-4472
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 0.8457
EPSS Score 0.02271
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:03:06.242389+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201701-21 38.0.0