Ubuntu 19.10: USN-4274-1 Moderate: libxml2 Denial Of Service

ubuntu

February 10, 2020

Several security issues were fixed in libxml2.

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)

Topics Covered

security advisory denial of service security issue software update Ubuntu vulnerability libxml2

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.