1. Ubuntu Security Notices
  2. USN-3739-1

USN-3739-1: libxml2 vulnerabilities

Publication date

14 August 2018

Overview

Several security issues were fixed in libxml2.

Releases

Packages

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.
This issue only affected Ubuntu 18.04 LTS. (CVE-2017-16932)

It was discovered that libxml2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2017-18258, CVE-2018-14404, CVE-2018-14567)

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.
This issue only affected Ubuntu 18.04 LTS. (CVE-2017-16932)

It was discovered that libxml2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2017-18258, CVE-2018-14404, CVE-2018-14567)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libxml2 –  2.9.4+dfsg1-6.1ubuntu1.2
libxml2-utils –  2.9.4+dfsg1-6.1ubuntu1.2
python-libxml2 –  2.9.4+dfsg1-6.1ubuntu1.2
python3-libxml2 –  2.9.4+dfsg1-6.1ubuntu1.2
16.04 xenial libxml2 –  2.9.3+dfsg1-1ubuntu0.6
libxml2-utils –  2.9.3+dfsg1-1ubuntu0.6
python-libxml2 –  2.9.3+dfsg1-1ubuntu0.6
14.04 trusty libxml2 –  2.9.1+dfsg1-3ubuntu4.13
libxml2-utils –  2.9.1+dfsg1-3ubuntu4.13
python-libxml2 –  2.9.1+dfsg1-3ubuntu4.13

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References

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