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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200903-13">
<title>MPFR: Denial of Service</title>
<synopsis>
Multiple buffer overflows in MPFR might lead to a Denial of Service.
</synopsis>
<product type="ebuild">mpfr</product>
<announced>March 09, 2009</announced>
<revised>March 09, 2009: 01</revised>
<bug>260968</bug>
<access>remote</access>
<affected>
<package name="dev-libs/mpfr" auto="yes" arch="*">
<unaffected range="ge">2.4.1</unaffected>
<vulnerable range="lt">2.4.1</vulnerable>
</package>
</affected>
<background>
<p>
MPFR is a library for multiple-precision floating-point computations
with exact rounding.
</p>
</background>
<description>
<p>
Multiple buffer overflows have been reported in the mpfr_snprintf() and
mpfr_vsnprintf() functions.
</p>
</description>
<impact type="normal">
<p>
A remote user could exploit the vulnerability to cause a Denial of
Service in an application using MPFR via unknown vectors.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All MPRF users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/mpfr-2.4.1&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0757">CVE-2009-0757</uri>
</references>
<metadata tag="requester" timestamp="Sat, 07 Mar 2009 16:35:53 +0000">
rbu
</metadata>
<metadata tag="submitter" timestamp="Sat, 07 Mar 2009 18:14:49 +0000">
rbu
</metadata>
<metadata tag="bugReady" timestamp="Sat, 07 Mar 2009 18:14:57 +0000">
rbu
</metadata>
</glsa>