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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202005-09">
<title>Python: Denial of Service</title>
<synopsis>A vulnerability in Python could lead to a Denial of Service
condition.
</synopsis>
<product type="ebuild">python</product>
<announced>2020-05-14</announced>
<revised count="1">2020-05-14</revised>
<bug>707822</bug>
<access>remote</access>
<affected>
<package name="dev-lang/python" auto="yes" arch="*">
<unaffected range="ge" slot="2.7">2.7.18</unaffected>
<unaffected range="ge" slot="3.6">3.6.10-r2</unaffected>
<unaffected range="ge" slot="3.7">3.7.7-r2</unaffected>
<unaffected range="ge" slot="3.8">3.8.2-r2</unaffected>
<vulnerable range="lt" slot="2.7">2.7.18</vulnerable>
<vulnerable range="lt" slot="3.6">3.6.10-r2</vulnerable>
<vulnerable range="lt" slot="3.7">3.7.7-r2</vulnerable>
<vulnerable range="lt" slot="3.8">3.8.2-r2</vulnerable>
</package>
</affected>
<background>
<p>Python is an interpreted, interactive, object-oriented programming
language.
</p>
</background>
<description>
<p>An issue was discovered in urllib.request.AbstractBasicAuthHandler which
allowed a remote attacker to send malicious data causing extensive
regular expression backtracking.
</p>
</description>
<impact type="normal">
<p>An attacker could cause a possible Denial of Service condition.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Python 2.7 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-2.7.18:2.7"
</code>
<p>All Python 3.6 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-3.6.10-r2:3.6"
</code>
<p>All Python 3.7 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-3.7.7-r2:3.7"
</code>
<p>All Python 3.8 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/python-3.8.2-r2:3.8"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-8492">CVE-2020-8492</uri>
</references>
<metadata tag="requester" timestamp="2020-05-07T23:04:03Z">sam_c</metadata>
<metadata tag="submitter" timestamp="2020-05-14T22:18:15Z">sam_c</metadata>
</glsa>
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