Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-1546-1: libgc vulnerability

28 August 2012

Applications using libgc could be made to crash or run arbitrary programs as your login.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • libgc - Boehm-Demers-Weiser garbage collecting storage allocator library

Details

It was discovered that multiple integer overflows existed in the
malloc and calloc implementations in the Boehm-Demers-Weiser garbage
collecting memory allocator (libgc). These could allow an attacker
to cause a denial of service or possibly execute arbitrary code.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 8.04
Ubuntu 12.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.04

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

References