[USN-4631-1] libmaxminddb vulnerability

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[USN-4631-1] libmaxminddb vulnerability

Marc Deslauriers-3
==========================================================================
Ubuntu Security Notice USN-4631-1
November 12, 2020

libmaxminddb vulnerability
==========================================================================

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

- Ubuntu 20.10
- Ubuntu 20.04 LTS

Summary:

libmaxminddb could be made to crash if it received specially crafted data.

Software Description:
- libmaxminddb: C library for the MaxMind DB file format

Details:

It was discovered that libmaxminddb incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to cause
applications using libmaxminddb to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 20.10:
  libmaxminddb0                   1.4.2-0ubuntu1.20.10.1

Ubuntu 20.04 LTS:
  libmaxminddb0                   1.4.2-0ubuntu1.20.04.1

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

References:
  https://usn.ubuntu.com/4631-1
  CVE-2020-28241

Package Information:
  https://launchpad.net/ubuntu/+source/libmaxminddb/1.4.2-0ubuntu1.20.10.1
  https://launchpad.net/ubuntu/+source/libmaxminddb/1.4.2-0ubuntu1.20.04.1


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