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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202003-13">
<title>musl: x87 floating-point stack adjustment imbalance</title>
<synopsis>An x87 stack handling error in musl might allow an attacker to have
an application dependent impact.
</synopsis>
<product type="ebuild">musl</product>
<announced>2020-03-14</announced>
<revised count="2">2020-03-15</revised>
<bug>711276</bug>
<access>local, remote</access>
<affected>
<package name="sys-libs/musl" auto="yes" arch="*">
<unaffected range="ge">1.1.24</unaffected>
<vulnerable range="lt">1.1.24</vulnerable>
</package>
</affected>
<background>
<p>musl is an implementation of the C standard library built on top of the
Linux system call API, including interfaces defined in the base language
standard, POSIX, and widely agreed-upon extensions.
</p>
</background>
<description>
<p>A flaw in musl libc’s arch-specific math assembly code for i386 was
found which can lead to x87 stack overflow in the execution of subsequent
math code.
</p>
</description>
<impact type="normal">
<p>Impact depends on how the application built against musl libc handles
the ABI-violating x87 state.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All musl users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-libs/musl-1.1.24"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-14697">CVE-2019-14697</uri>
</references>
<metadata tag="requester" timestamp="2020-03-03T20:43:59Z">whissi</metadata>
<metadata tag="submitter" timestamp="2020-03-15T00:52:05Z">whissi</metadata>
</glsa>
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