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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201402-03">
<title>Pixman: User-assisted execution of arbitrary code</title>
<synopsis>An integer underflow vulnerability in Pixman may allow a
context-dependent attacker to cause Denial of Service.
</synopsis>
<product type="ebuild">pixman</product>
<announced>2014-02-02</announced>
<revised>2014-02-02: 1</revised>
<bug>493292</bug>
<access>local, remote</access>
<affected>
<package name="x11-libs/pixman" auto="yes" arch="*">
<unaffected range="ge">0.32.4</unaffected>
<vulnerable range="lt">0.32.4</vulnerable>
</package>
</affected>
<background>
<p>Pixman is a pixel manipulation library.</p>
</background>
<description>
<p>The trapezoid handling code in Pixman contains an integer underflow
vulnerability.
</p>
</description>
<impact type="normal">
<p>A context-dependent attacker could entice a user to open a specially
crafted file using an application linked against Pixman, possibly
resulting in execution of arbitrary code with the privileges of the
process, or a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Pixman users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/pixman-0.32.4"
</code>
<p>Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying these packages.
</p>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6425">CVE-2013-6425</uri>
</references>
<metadata tag="requester" timestamp="2013-12-26T20:19:41Z">Zlogene</metadata>
<metadata tag="submitter" timestamp="2014-02-02T17:59:34Z">
creffett
</metadata>
</glsa>
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