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Ubuntu Security Notice USN-4049-4

Ubuntu Security Notice USN-4049-4
Posted Aug 6, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4049-4 - USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression. 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
systems | linux, ubuntu
MD5 | acb3651bc70501eef84707017e00aeb7

Ubuntu Security Notice USN-4049-4

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4049-4
August 06, 2019

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

- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

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.
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 14.04 ESM:
libglib2.0-0 2.40.2-0ubuntu1.1+esm3
libglib2.0-bin 2.40.2-0ubuntu1.1+esm3

Ubuntu 12.04 ESM:
libglib2.0-0 2.32.4-0ubuntu1.4
libglib2.0-bin 2.32.4-0ubuntu1.4

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

References:
https://usn.ubuntu.com/4049-4
https://usn.ubuntu.com/4049-1
https://launchpad.net/bugs/1838890

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