Advisory Published

USN-3504-2: libxml2 vulnerability

First published: Tue Dec 05 2017(Updated: )

USN-3504-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Wei Lei discovered that libxml2 incorrecty handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libxml2<2.7.8.dfsg-5.1ubuntu4.19
2.7.8.dfsg-5.1ubuntu4.19
=12.04
All of
ubuntu/libxml2-utils<2.7.8.dfsg-5.1ubuntu4.19
2.7.8.dfsg-5.1ubuntu4.19
=12.04
All of
ubuntu/python-libxml2<2.7.8.dfsg-5.1ubuntu4.19
2.7.8.dfsg-5.1ubuntu4.19
=12.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID of USN-3504-2?

    The vulnerability ID of USN-3504-2 is CVE-2017-16932.

  • What software is affected by USN-3504-2?

    USN-3504-2 affects libxml2, libxml2-utils, and python-libxml2 packages on Ubuntu 12.04.

  • How can I fix the vulnerability in USN-3504-2?

    To fix the vulnerability in USN-3504-2, update the libxml2, libxml2-utils, and python-libxml2 packages to version 2.7.8.dfsg-5.1ubuntu4.19.

  • What is the severity of CVE-2017-16932?

    The severity of CVE-2017-16932 is not specified in the provided information.

  • Where can I find more information about USN-3504-2?

    You can find more information about USN-3504-2 on the Ubuntu Security Notices page: https://ubuntu.com/security/notices/USN-3504-2

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