Bryan Quigley discovered an integer underflow in Pixman which could lead to denial of service or the execution of arbitrary code. For the oldstable distribution (squeeze), this problem has been fixed in

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Debian Security Advisory DSA-2823-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.debian.org/security/                        Moritz Muehlenhoff
December 18, 2013                      http://www.debian.org/security/faq
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Package        : pixman
Vulnerability  : integer underflow
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2013-6425

Bryan Quigley discovered an integer underflow in Pixman which could lead
to denial of service or the execution of arbitrary code.

For the oldstable distribution (squeeze), this problem has been fixed in
version 0.16.4-1+deb6u1.

For the stable distribution (wheezy), this problem has been fixed in
version 0.26.0-4+deb7u1.

For the unstable distribution (sid), this problem has been fixed in
version 0.30.2-2.

We recommend that you upgrade your pixman packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

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