=========================================================================Ubuntu Security Notice USN-4274-1
February 10, 2020

libxml2 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in libxml2.

Software Description:
- libxml2: GNOME XML library

Details:

It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2019-19956, CVE-2020-7595)

Update instructions:

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

Ubuntu 19.10:
  libxml2                         2.9.4+dfsg1-7ubuntu3.1
  libxml2-utils                   2.9.4+dfsg1-7ubuntu3.1

Ubuntu 18.04 LTS:
  libxml2                         2.9.4+dfsg1-6.1ubuntu1.3
  libxml2-utils                   2.9.4+dfsg1-6.1ubuntu1.3

Ubuntu 16.04 LTS:
  libxml2                         2.9.3+dfsg1-1ubuntu0.7
  libxml2-utils                   2.9.3+dfsg1-1ubuntu0.7

Ubuntu 14.04 ESM:
  libxml2                         2.9.1+dfsg1-3ubuntu4.13+esm1
  libxml2-utils                   2.9.1+dfsg1-3ubuntu4.13+esm1

Ubuntu 12.04 ESM:
  libxml2                         2.7.8.dfsg-5.1ubuntu4.22
  libxml2-utils                   2.7.8.dfsg-5.1ubuntu4.22

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

References:
  https://ubuntu.com/security/notices/USN-4274-1
  CVE-2019-19956, CVE-2020-7595

Package Information:
  https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-7ubuntu3.1
  https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.3
  https://launchpad.net/ubuntu/+source/libxml2/2.9.3+dfsg1-1ubuntu0.7

Ubuntu 4274-1: libxml2 vulnerabilities

February 10, 2020
Several security issues were fixed in libxml2.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10: libxml2 2.9.4+dfsg1-7ubuntu3.1 libxml2-utils 2.9.4+dfsg1-7ubuntu3.1 Ubuntu 18.04 LTS: libxml2 2.9.4+dfsg1-6.1ubuntu1.3 libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.3 Ubuntu 16.04 LTS: libxml2 2.9.3+dfsg1-1ubuntu0.7 libxml2-utils 2.9.3+dfsg1-1ubuntu0.7 Ubuntu 14.04 ESM: libxml2 2.9.1+dfsg1-3ubuntu4.13+esm1 libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm1 Ubuntu 12.04 ESM: libxml2 2.7.8.dfsg-5.1ubuntu4.22 libxml2-utils 2.7.8.dfsg-5.1ubuntu4.22 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4274-1

CVE-2019-19956, CVE-2020-7595

Severity
February 10, 2020

Package Information

https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-7ubuntu3.1 https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.3 https://launchpad.net/ubuntu/+source/libxml2/2.9.3+dfsg1-1ubuntu0.7

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