=========================================================================Ubuntu Security Notice USN-3843-2
December 11, 2018

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

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

References:
  https://ubuntu.com/security/notices/USN-3843-2
  https://ubuntu.com/security/notices/USN-3843-1
  CVE-2015-5297

Ubuntu 3843-2: pixman vulnerability

December 11, 2018
pixman could be made to crash or run programs if it processed specially crafted instructions.

Summary

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

References

  https://ubuntu.com/security/notices/USN-3843-2

  https://ubuntu.com/security/notices/USN-3843-1

  CVE-2015-5297

Severity
December 11, 2018

Package Information

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