Is CVE-2016-4472 actively exploited?

CVE-2016-4472 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2016-4472?

CVE-2016-4472 has a CVSS score of 8.1 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-4472?

Patch guidance is available from libexpat project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-4472.

Fix CVE-2016-4472 - HIGH libexpat project libexpat

Q: Which products are affected by CVE-2016-4472?

8 products: libexpat project libexpat, canonical ubuntu linux, mcafee policy auditor, python python, python python, and 3 more.

Description

The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: LIBEXPAT_PROJECT
Published: 6/30/2016
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

libexpat_project : libexpatcanonical : ubuntu_linuxmcafee : policy_auditorpython : pythonpython : pythonpython : pythonpython : pythonpython : python

Remediation Guidance

Executive Summary

Cite this page

CVE-2016-4472. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2016-4472

View on NIST NVD

CVE-2016-4472 vulnerability