Ubuntu Security Notice 2918-1 - Vincent LE GARREC discovered an integer underflow in pixman. If a user were tricked into opening a specially crafted file, a remote attacker could cause pixman to crash, resulting in a denial of service, or possibly execute arbitrary code.
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Ubuntu Security Notice USN-2918-1
March 03, 2016
pixman vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
pixman could be made to crash or run programs as your login if it processed
specially crafted data.
Software Description:
- pixman: pixel-manipulation library for X and cairo
Details:
Vincent LE GARREC discovered an integer underflow in pixman. If a user were
tricked into opening a specially crafted file, a remote attacker could
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 0.30.2-2ubuntu1.1
Ubuntu 12.04 LTS:
libpixman-1-0 0.30.2-1ubuntu0.0.0.0.3
After a standard system update you need to restart your session to make
all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-2918-1
CVE-2014-9766
Package Information:
https://launchpad.net/ubuntu/+source/pixman/0.30.2-2ubuntu1.1
https://launchpad.net/ubuntu/+source/pixman/0.30.2-1ubuntu0.0.0.0.3