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+ <li><a name="013_pf"></a>
+ <font color="#009000"><strong>013: RELIABILITY FIX: April 11, 2009</strong></font> &nbsp; <i>All architectures</i><br>
+ When pf attempts to perform translation on a specially crafted IP datagram,
+ a null pointer dereference will occur, resulting in a kernel panic.
+ In certain configurations this may be triggered by a remote attacker.
+ <p>
+ Restricting translation rules to protocols that are specific to the IP version
+ in use, is an effective workaround until the patch can be installed. As an
+ example, for IPv4 nat/binat/rdr rules you can use:
+ <pre>
+     nat/rdr ... inet proto { tcp udp icmp } ...
+ </pre>
+ Or for IPv6 nat/binat/rdr rules you can use:
+ <pre>
+     nat/rdr ... inet6 proto { tcp udp icmp6 } ...
+ </pre>
+ <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/013_pf.patch">
+ A source code patch exists which remedies this problem</a>.<br>
+ <p>
+ 
  <li><a name="012_openssl"></a>
  <font color="#009000"><strong>012: RELIABILITY FIX: April 8, 2009</strong></font> &nbsp; <i>All architectures</i><br>
  The OpenSSL ASN.1 handling code could be forced to perform invalid memory
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