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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200611-09">
<title>libpng: Denial of Service</title>
A vulnerability in libpng may allow a remote attacker to crash applications
that handle untrusted images.
<product type="ebuild">libpng</product>
<announced>November 17, 2006</announced>
<revised>November 17, 2006: 01</revised>
<package name="media-libs/libpng" auto="yes" arch="*">
<unaffected range="ge">1.2.13</unaffected>
<vulnerable range="lt">1.2.13</vulnerable>
libpng is a free ANSI C library used to process and manipulate PNG
Tavis Ormandy of the Gentoo Linux Security Audit Team discovered that a
vulnerability exists in the sPLT chunk handling code of libpng, a large
sPLT chunk may cause an application to attempt to read out of bounds.
<impact type="normal">
A remote attacker could craft an image that when processed or viewed by
an application using libpng causes the application to terminate
There is no known workaround at this time.
All libpng users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=media-libs/libpng-1.2.13&quot;</code>
<uri link="">CVE-2006-5793</uri>
<metadata tag="submitter" timestamp="Fri, 10 Nov 2006 11:17:04 +0000">
<metadata tag="bugReady" timestamp="Thu, 16 Nov 2006 15:07:26 +0000">