USN-3843-2: pixman vulnerability
pixman vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary
pixman could be made to crash or run programs if it processed specially
crafted instructions.
Software Description
- 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 ESM
- libpixman-1-0 – 0.30.2-1ubuntu0.0.0.0.4
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your session to make
all the necessary changes.
References
Source: USN-3843-2: pixman vulnerability
