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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202105-04">
<title>Boost: Buffer overflow</title>
<synopsis>A buffer overflow in Boost might allow remote attacker(s) to
execute arbitrary code.
</synopsis>
<product type="ebuild">boost</product>
<announced>2021-05-26</announced>
<revised count="1">2021-05-26</revised>
<bug>620468</bug>
<access>local, remote</access>
<affected>
<package name="dev-libs/boost" auto="yes" arch="*">
<unaffected range="ge">1.74.0-r2</unaffected>
<vulnerable range="lt">1.74.0-r2</vulnerable>
</package>
</affected>
<background>
<p>Boost is a set of C++ libraries, including the Boost.Regex library to
process regular expressions.
</p>
</background>
<description>
<p>It was discovered that Boost incorrectly sanitized ‘next_size’ and
‘max_size’ parameter in ordered_malloc() function when allocating
memory.
</p>
</description>
<impact type="normal">
<p>A remote attacker could provide a specially crafted application-specific
file (requiring runtime memory allocation to be processed correctly),
that, when opened with an application using Boost C++ source libraries,
possibly resulting in execution of arbitrary code with the privileges of
the process or a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Boost users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/boost-1.74.0-r2"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2012-2677">CVE-2012-2677</uri>
</references>
<metadata tag="requester" timestamp="2021-05-25T22:14:01Z">whissi</metadata>
<metadata tag="submitter" timestamp="2021-05-26T07:45:40Z">whissi</metadata>
</glsa>
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