Is CVE-2016-5300 actively exploited?

CVE-2016-5300 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2016-5300?

CVE-2016-5300 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2016-5300?

Patch guidance is available from canonical security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-5300.

Fix CVE-2016-5300 - HIGH canonical ubuntu linux

Q: Which products are affected by CVE-2016-5300?

11 products: canonical ubuntu linux, canonical ubuntu linux, canonical ubuntu linux, canonical ubuntu linux, debian debian linux, and 6 more.

Description

The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-399

Metadata

Primary Vendor: CANONICAL
Published: 6/16/2016
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

canonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxdebian : debian_linuxlibexpat_project : libexpatgoogle : androidgoogle : androidgoogle : androidgoogle : androidgoogle : android

Remediation Guidance

Executive Summary

Cite this page

CVE-2016-5300. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2016-5300

View on NIST NVD

CVE-2016-5300 vulnerability