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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200907-16">
<title>Python: Integer overflows</title>
<synopsis>
Multiple integer overflows in Python have an unspecified impact.
</synopsis>
<product type="ebuild">python</product>
<announced>July 19, 2009</announced>
<revised>July 19, 2009: 01</revised>
<bug>246991</bug>
<access>remote</access>
<affected>
<package name="dev-lang/python" auto="yes" arch="*">
<unaffected range="ge">2.5.4-r2</unaffected>
<unaffected range="rge">2.4.6</unaffected>
<vulnerable range="lt">2.5.4-r2</vulnerable>
</package>
</affected>
<background>
<p>
Python is an interpreted, interactive, object-oriented programming
language.
</p>
</background>
<description>
<p>
Chris Evans reported multiple integer overflows in the expandtabs
method, as implemented by (1) the string_expandtabs function in
Objects/stringobject.c and (2) the unicode_expandtabs function in
Objects/unicodeobject.c.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could exploit these vulnerabilities in Python
applications or daemons that pass user-controlled input to vulnerable
functions. The security impact is currently unknown but may include the
execution of arbitrary code or a Denial of Service.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Python 2.5 users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-lang/python-2.5.4-r2&quot;</code>
<p>
All Python 2.4 users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-lang/python-2.4.6&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5031">CVE-2008-5031</uri>
</references>
<metadata tag="requester" timestamp="Fri, 10 Jul 2009 13:26:22 +0000">
rbu
</metadata>
<metadata tag="submitter" timestamp="Sun, 19 Jul 2009 15:28:36 +0000">
rbu
</metadata>
<metadata tag="bugReady" timestamp="Sun, 19 Jul 2009 15:28:41 +0000">
rbu
</metadata>
</glsa>