USN-3437-1: OCaml vulnerability

3 October 2017

ocaml vulnerability

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

  • Ubuntu 14.04 LTS


OCaml applications could be made to crash, expose sensitive information, or run programs.

Software Description

  • ocaml - ML language implementation with a class-based object system


Radek Micek discovered that OCaml incorrectly handled sign extensions. A remote attacker could use this issue to cause applications using OCaml to crash, to possibly obtain sensitive information, or to possibly execute arbitrary code.

Update instructions

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

Ubuntu 14.04 LTS
ocaml - 4.01.0-3ubuntu3.1

To update your system, please follow these instructions:

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