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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200509-07">
<title>X.Org: Heap overflow in pixmap allocation</title>
<synopsis>
An integer overflow in pixmap memory allocation potentially allows any
X.Org user to execute arbitrary code with elevated privileges.
</synopsis>
<product type="ebuild">X.Org</product>
<announced>September 12, 2005</announced>
<revised>September 12, 2005: 01</revised>
<bug>105688</bug>
<access>local</access>
<affected>
<package name="x11-base/xorg-x11" auto="yes" arch="*">
<unaffected range="ge">6.8.2-r3</unaffected>
<vulnerable range="lt">6.8.2-r3</vulnerable>
</package>
</affected>
<background>
<p>
X.Org is X.Org Foundation's Public Implementation of the X Window
System.
</p>
</background>
<description>
<p>
X.Org is missing an integer overflow check during pixmap memory
allocation.
</p>
</description>
<impact type="high">
<p>
An X.Org user could exploit this issue to make the X server
execute arbitrary code with elevated privileges.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All X.org users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=x11-base/xorg-x11-6.8.2-r3&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2495">CAN-2005-2495</uri>
</references>
<metadata tag="submitter" timestamp="Tue, 06 Sep 2005 08:58:25 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Mon, 12 Sep 2005 15:28:20 +0000">
koon
</metadata>
</glsa>