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Ubuntu Security Notice USN-4049-3

Ubuntu Security Notice USN-4049-3
Posted Aug 5, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4049-3 - USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression in Ubuntu 16.04 LTS causing a possibly memory leak. This update fixes the problem. It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information. Various other issues were also addressed.

tags | advisory, memory leak
systems | linux, ubuntu
MD5 | fda678779cb03370b36ae682a96c3e1e

Ubuntu Security Notice USN-4049-3

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4049-3
August 05, 2019

glib2.0 regression
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS

Summary:

USN-4049-1 introduced a regression in GLib.

Software Description:
- glib2.0: GLib Input, Output and Streaming Library (fam module)

Details:

USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression
in Ubuntu 16.04 LTS causing a possibly memory leak. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that GLib created directories and files without properly
restricting permissions. An attacker could possibly use this issue to access
sensitive information.

Update instructions:

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

Ubuntu 16.04 LTS:
libglib2.0-0 2.48.2-0ubuntu4.4
libglib2.0-bin 2.48.2-0ubuntu4.4

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

References:
https://usn.ubuntu.com/4049-3
https://usn.ubuntu.com/4049-1
https://launchpad.net/bugs/1838890

Package Information:
https://launchpad.net/ubuntu/+source/glib2.0/2.48.2-0ubuntu4.4

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