Ubuntu Security Notice USN-4218-1
December 10, 2019
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
GNU C could be made to execute arbitrary code or cause a crash
if it received a specially crafted input.
– eglibc: GNU C Library
Jakub Wilk discovered that GNU C incorrectly handled certain memory alignments.
An attacker could possibly use this issue to execute arbitrary code or cause
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
Ubuntu 12.04 ESM:
After a standard system update you need to reboot your computer to make
all the necessary changes.