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Ubuntu Security Notice USN-4218-1
December 10, 2019

eglibc vulnerability
==========================================================================

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

– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM

Summary:

GNU C could be made to execute arbitrary code or cause a crash
if it received a specially crafted input.

Software Description:
– eglibc: GNU C Library

Details:

Jakub Wilk discovered that GNU C incorrectly handled certain memory alignments.
An attacker could possibly use this issue to execute arbitrary code or cause
a crash.

Update instructions:

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

Ubuntu 14.04 ESM:
libc6 2.19-0ubuntu6.15+esm1

Ubuntu 12.04 ESM:
libc6 2.15-0ubuntu10.22

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
https://usn.ubuntu.com/4218-1
CVE-2018-6485
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