Ubuntu 16.10 & 16.04 LTS USN-3227-1 Critical: ICU Memory Issue

ubuntu

March 13, 2017

Several security issues were fixed in ICU.

Summary

Several security issues were fixed in ICU.

Software Description:

- icu: International Components for Unicode library

Details:

It was discovered that ICU incorrectly handled certain memory operations

when processing data. If an application using ICU processed crafted data,

a remote attacker could possibly cause it to crash or potentially execute

arbitrary code with the privileges of the user invoking the program.

Topics Covered

security advisory critical Ubuntu memory issue icu

Update Instructions

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

Ubuntu 16.10:
  libicu57                        57.1-4ubuntu0.1

Ubuntu 16.04 LTS:
  libicu55                        55.1-7ubuntu0.1

Ubuntu 14.04 LTS:
  libicu52                        52.1-3ubuntu0.5

Ubuntu 12.04 LTS:
  libicu48                        4.8.1.1-3ubuntu0.7

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