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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201401-25">
<title>ldns: Arbitrary code execution</title>
<synopsis>A heap-based buffer overflow in ldns might allow remote attackers
to execute arbitrary code or cause a Denial of Service condition.
<product type="ebuild">ldns</product>
<announced>January 21, 2014</announced>
<revised>January 21, 2014: 1</revised>
<package name="net-libs/ldns" auto="yes" arch="*">
<unaffected range="ge">1.6.11</unaffected>
<vulnerable range="lt">1.6.11</vulnerable>
<p>ldns is a fast DNS library with the goal to simplify DNS programming and
to allow developers to easily create software conforming to current RFCs
and Internet drafts.
<p>ldns contains a heap-based buffer overflow in the
ldns_rr_new_frm_str_internal function.
<impact type="normal">
<p>A remote attacker could execute arbitrary code or cause a Denial of
Service condition with a crafted Resource Record.
<p>There is no known workaround at this time.</p>
<p>All ldns users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-libs/ldns-1.6.11"
<p>Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying these packages.
<p>NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since October 11, 2011. It is likely that your system is
already no longer affected by this issue.
<uri link="">CVE-2011-3581</uri>
<metadata tag="requester" timestamp="Fri, 07 Oct 2011 23:37:31 +0000">
<metadata tag="submitter" timestamp="Tue, 21 Jan 2014 20:44:51 +0000">craig</metadata>