Advisory Published

USN-2983-1: Expat vulnerability

First published: Wed May 18 2016(Updated: )

Gustavo Grieco discovered that Expat incorrectly handled malformed XML data. If a user or application linked against Expat were tricked into opening a crafted XML file, an attacker could cause a denial of service, or possibly execute arbitrary code. (CVE-2016-0718)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/lib64expat1<2.1.0-7ubuntu0.16.04.1
2.1.0-7ubuntu0.16.04.1
Ubuntu Ubuntu=16.04
All of
ubuntu/libexpat1<2.1.0-7ubuntu0.16.04.1
2.1.0-7ubuntu0.16.04.1
Ubuntu Ubuntu=16.04
All of
ubuntu/lib64expat1<2.1.0-7ubuntu0.15.10.1
2.1.0-7ubuntu0.15.10.1
Ubuntu Ubuntu=15.10
All of
ubuntu/libexpat1<2.1.0-7ubuntu0.15.10.1
2.1.0-7ubuntu0.15.10.1
Ubuntu Ubuntu=15.10
All of
ubuntu/lib64expat1<2.1.0-4ubuntu1.2
2.1.0-4ubuntu1.2
Ubuntu Ubuntu=14.04
All of
ubuntu/libexpat1<2.1.0-4ubuntu1.2
2.1.0-4ubuntu1.2
Ubuntu Ubuntu=14.04
All of
ubuntu/lib64expat1<2.0.1-7.2ubuntu1.3
2.0.1-7.2ubuntu1.3
Ubuntu Ubuntu=12.04
All of
ubuntu/libexpat1<2.0.1-7.2ubuntu1.3
2.0.1-7.2ubuntu1.3
Ubuntu Ubuntu=12.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for the Expat vulnerability?

    The vulnerability ID for the Expat vulnerability is CVE-2016-0718.

  • What is the affected software for the Expat vulnerability?

    The affected software for the Expat vulnerability includes lib64expat1 and libexpat1 packages on Ubuntu 12.04, 14.04, 15.10, and 16.04.

  • What is the severity of the Expat vulnerability?

    The severity of the Expat vulnerability is not mentioned in the provided information.

  • How can an attacker exploit the Expat vulnerability?

    If a user or application linked against Expat were tricked into opening a crafted XML file, an attacker could cause a denial of service or possibly execute arbitrary code.

  • How do I fix the Expat vulnerability?

    To fix the Expat vulnerability, update the lib64expat1 and libexpat1 packages to version 2.1.0-7ubuntu0.16.04.1 (or the appropriate version for your Ubuntu release).

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