USN-3458-2: ICU vulnerability

23 October 2017

icu vulnerability

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

  • Ubuntu 12.04 ESM


ICU could be made to crash or run arbitrary code as your login if it received specially crafted input.

Software Description

  • icu - International Components for Unicode library


USN-3458-1 fixed a vulnerability in ICU. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that ICU incorrectly handled certain inputs. 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.

Update instructions

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

Ubuntu 12.04 ESM
lib32icu48 -
libicu48 -

To update your system, please follow these instructions:

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