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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200705-24">
+  <title>libpng: Denial of Service</title>
+  <synopsis>
+    A vulnerability in libpng may allow a remote attacker to crash applications
+    that handle untrusted images.
+  </synopsis>
+  <product type="ebuild">libpng</product>
+  <announced>2007-05-31</announced>
+  <revised count="01">2007-05-31</revised>
+  <bug>178004</bug>
+  <access>remote</access>
+  <affected>
+    <package name="media-libs/libpng" auto="yes" arch="*">
+      <unaffected range="ge">1.2.17</unaffected>
+      <vulnerable range="lt">1.2.17</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>
+    libpng is a free ANSI C library used to process and manipulate PNG
+    images.
+    </p>
+  </background>
+  <description>
+    <p>
+    Mats Palmgren fixed an error in file pngrutil.c in which the trans[]
+    array might be not allocated because of images with a bad tRNS chunk
+    CRC value.
+    </p>
+  </description>
+  <impact type="normal">
+    <p>
+    A remote attacker could craft an image that when processed or viewed by
+    an application using libpng causes the application to terminate
+    abnormally.
+    </p>
+  </impact>
+  <workaround>
+    <p>
+    There is no known workaround at this time.
+    </p>
+  </workaround>
+  <resolution>
+    <p>
+    Please note that due to separate bugs in libpng 1.2.17, Gentoo does not
+    provide libpng-1.2.17 but libpng-1.2.18. All libpng users should
+    upgrade to the latest version:
+    </p>
+    <code>
+    # emerge --sync
+    # emerge --ask --oneshot --verbose "&gt;=media-libs/libpng-1.2.18"</code>
+  </resolution>
+  <references>
+    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2445">CVE-2007-2445</uri>
+  </references>
+  <metadata tag="requester" timestamp="2007-05-27T07:35:26Z">
+    jaervosz
+  </metadata>
+  <metadata tag="submitter" timestamp="2007-05-27T13:49:05Z">
+    falco
+  </metadata>
+  <metadata tag="bugReady" timestamp="2007-05-31T08:41:58Z">
+    p-y
+  </metadata>
+</glsa>