[USN-3739-2] libxml2 vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3739-2
August 14, 2018

libxml2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in libxml2.

Software Description:
- libxml2: GNOME XML library

Details:

USN-3739-1 fixed a vulnerability in libxml2. This update provides
the corresponding update for Ubuntu 12.04.

Original advisory details:

 Matias Brutti discovered that libxml2 incorrectly handled certain XML
 files. An attacker could possibly use this issue to expose sensitive
 information. (CVE-2016-9318)

 It was discovered that libxml2 incorrectly handled certain files.
 An attacker could possibly use this issue to cause a denial of
 service. (CVE-2018-14404)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 ESM:
  libxml2                         2.7.8.dfsg-5.1ubuntu4.21
  libxml2-utils                   2.7.8.dfsg-5.1ubuntu4.21
  python-libxml2                  2.7.8.dfsg-5.1ubuntu4.21

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3739-2
  https://usn.ubuntu.com/usn/usn-3739-1
  CVE-2016-9318, CVE-2018-14404
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: This is a digitally signed message part
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20180814/be570e5e/attachment.sig>