Ubuntu 17.04 Security Notice USN-3274-1 Critical ICU Memory Issues

ubuntu

May 2, 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 arbitrary code execution memory issue ubuntu icu

Update Instructions

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

Ubuntu 17.04:
  libicu57                        57.1-5ubuntu0.1

Ubuntu 16.10:
  libicu57                        57.1-4ubuntu0.2

Ubuntu 16.04 LTS:
  libicu55                        55.1-7ubuntu0.2

Ubuntu 14.04 LTS:
  libicu52                        52.1-3ubuntu0.6

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