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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200805-11">
<title>Chicken: Multiple vulnerabilities</title>
Multiple vulnerabilities in Chicken could result in the execution of
arbitrary code.
<product type="ebuild">chicken</product>
<announced>May 12, 2008</announced>
<revised>May 12, 2008: 01</revised>
<package name="dev-scheme/chicken" auto="yes" arch="*">
<unaffected range="ge">3.1.0</unaffected>
<vulnerable range="lt">3.1.0</vulnerable>
Chicken is a Scheme interpreter and native Scheme to C compiler.
Chicken includes a copy of PCRE which is vulnerable to multiple buffer
overflows and memory corruption vulnerabilities (GLSA 200711-30).
<impact type="normal">
An attacker could entice a user to process specially crafted regular
expressions with Chicken, which could possibly lead to the execution of
arbitrary code, a Denial of Service or the disclosure of sensitive
There is no known workaround at this time.
All Chicken users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-scheme/chicken-3.1.0&quot;</code>
<uri link="/security/en/glsa/glsa-200711-30.xml">GLSA 200711-30</uri>
<metadata tag="requester" timestamp="Mon, 12 May 2008 11:47:42 +0000">
<metadata tag="bugReady" timestamp="Mon, 12 May 2008 11:47:52 +0000">
<metadata tag="submitter" timestamp="Mon, 12 May 2008 12:10:35 +0000">