USN-3843-2: pixman vulnerability

11 December 2018

pixman could be made to crash or run programs if it processed specially crafted instructions.

Releases

Packages

  • pixman - pixel-manipulation library for X and cairo

Details

USN-3843-1 fixed a vulnerability in pixman. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that pixman incorrectly handled the general_composite_rect
function. A remote attacker could use this issue to cause pixman to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 12.04

After a standard system update you need to restart your session to make
all the necessary changes.

References

Related notices