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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201608-01">
<title>OptiPNG: Multiple vulnerabilities</title>
<synopsis>Multiple vulnerabilities have been found in OptiPNG, the worst of
which could lead to the remote execution of arbitrary code, or cause a
Denial of Service condition.
<product type="ebuild"></product>
<announced>August 11, 2016</announced>
<revised>August 11, 2016: 1</revised>
<package name="media-gfx/optipng" auto="yes" arch="*">
<unaffected range="ge">0.7.6</unaffected>
<vulnerable range="lt">0.7.6</vulnerable>
<p>OptiPNG is a PNG optimizer that recompresses image files to a smaller
size, without losing any information.
<p>Multiple vulnerabilities have been discovered in OptiPNG. Please review
the CVE identifiers referenced below for details.
<impact type="normal">
<p>A remote attacker could entice a user to open a specially crafted image
file resulting in the execution of arbitrary code with the privileges of
the process, or a Denial of Service condition.
<p>There is no known workaround at this time.</p>
<p>All OptiPNG users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=media-gfx/optipng-0.7.6"
<uri link="">CVE-2016-2191</uri>
<uri link="">CVE-2016-3981</uri>
<uri link="">CVE-2016-3982</uri>
<metadata tag="requester" timestamp="Sun, 26 Jun 2016 12:03:00 +0000">b-man</metadata>
<metadata tag="submitter" timestamp="Thu, 11 Aug 2016 06:06:28 +0000">b-man</metadata>