==========================================================================
Ubuntu Security Notice USN-3843-1
December 11, 2018
pixman vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 LTS
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:
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 14.04 LTS:
libpixman-1-0 0.30.2-2ubuntu1.2
After a standard system update you need to restart your session to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3843-1
CVE-2015-5297
Package Information:
https://launchpad.net/ubuntu/+source/pixman/0.30.2-2ubuntu1.2
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==========================================================================
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://usn.ubuntu.com/usn/usn-3843-2
https://usn.ubuntu.com/usn/usn-3843-1
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