Ubuntu Security Notice 1348-1 - It was discovered that ICU did not properly handle invalid locale data during Unicode conversion. If an application using ICU processed crafted data, an attacker could cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program.
ed1d39bd80eff20f1ebd24a942fc58795fee0111ae68d13afad8db1b3fdbc5a0