diff -r 7b2e9458bff1 src/internet/model/icmpv6-header.cc
--- a/src/internet/model/icmpv6-header.cc	Sun Apr 17 20:06:22 2011 -0700
+++ b/src/internet/model/icmpv6-header.cc	Mon Apr 18 11:23:57 2011 +0400
@@ -1008,7 +1008,7 @@
 uint32_t Icmpv6DestinationUnreachable::Deserialize (Buffer::Iterator start)
 {
   uint16_t length = start.GetSize () - 8;
-  uint8_t data[length];
+  uint8_t* data = new uint8_t[length];
   Buffer::Iterator i = start;
 
   SetType (i.ReadU8 ());
@@ -1018,6 +1018,7 @@
   i.Read (data, length);
   m_packet = Create<Packet> (data, length);
 
+  delete[] data;
   return GetSerializedSize ();
 }
 
@@ -1106,7 +1107,7 @@
 uint32_t Icmpv6TooBig::Deserialize (Buffer::Iterator start) 
 {
   uint16_t length = start.GetSize () - 8;
-  uint8_t data[length];
+  uint8_t* data = new uint8_t[length];
   Buffer::Iterator i = start;
 
   SetType (i.ReadU8 ());
@@ -1116,6 +1117,7 @@
   i.Read (data, length);
   m_packet = Create<Packet> (data, length);
 
+  delete[] data;
   return GetSerializedSize ();
 }
 
@@ -1193,7 +1195,7 @@
 uint32_t Icmpv6TimeExceeded::Deserialize (Buffer::Iterator start)
 {
   uint16_t length = start.GetSize () - 8;
-  uint8_t data[length];
+  uint8_t* data = new uint8_t[length];
   Buffer::Iterator i = start;
 
   SetType (i.ReadU8 ());
@@ -1203,6 +1205,7 @@
   i.Read (data, length);
   m_packet = Create<Packet> (data, length);
 
+  delete[] data;
   return GetSerializedSize ();
 }
 
@@ -1291,7 +1294,7 @@
 uint32_t Icmpv6ParameterError::Deserialize (Buffer::Iterator start) 
 {
   uint16_t length = start.GetSize () - 8;
-  uint8_t data[length];
+  uint8_t* data = new uint8_t[length];
   Buffer::Iterator i = start;
 
   SetType (i.ReadU8 ());
@@ -1300,6 +1303,7 @@
   SetPtr (i.ReadNtohU32 ());
   i.Read (data, length);
   m_packet = Create<Packet> (data, length);
+  delete[] data;
 
   return GetSerializedSize ();
 }
@@ -1777,9 +1781,10 @@
   i.ReadU32 ();
 
   uint32_t len2 = (GetLength () - 1) * 8;
-  uint8_t buff[len2];
+  uint8_t* buff = new uint8_t[len2];
   i.Read (buff, len2);
   m_packet = Create<Packet> (buff, len2);
+  delete[] buff;
 
   return GetSerializedSize ();
 }
diff -r 7b2e9458bff1 src/internet/model/icmpv6-l4-protocol.cc
--- a/src/internet/model/icmpv6-l4-protocol.cc	Sun Apr 17 20:06:22 2011 -0700
+++ b/src/internet/model/icmpv6-l4-protocol.cc	Mon Apr 18 11:23:57 2011 +0400
@@ -232,7 +232,7 @@
 {
   NS_LOG_FUNCTION (this << packet << src << dst << interface);
   Icmpv6Echo request;
-  uint8_t buf[packet->GetSize ()];
+  uint8_t* buf = new uint8_t[packet->GetSize ()];
 
   packet->RemoveHeader (request);
   /* XXX IPv6 extension: obtain a fresh copy of data otherwise it crash... */
@@ -241,6 +241,7 @@
 
   /* if we send message from ff02::* (link-local multicast), we use our link-local address */
   SendEchoReply (dst.IsMulticast () ? interface->GetLinkLocalAddress ().GetAddress () : dst, src, request.GetId (), request.GetSeq (), p);
+  delete[] buf;
 }
 
 void Icmpv6L4Protocol::HandleRA (Ptr<Packet> packet, Ipv6Address const &src, Ipv6Address const &dst, Ptr<Ipv6Interface> interface)
diff -r 7b2e9458bff1 src/internet/model/ipv6-extension-header.cc
--- a/src/internet/model/ipv6-extension-header.cc	Sun Apr 17 20:06:22 2011 -0700
+++ b/src/internet/model/ipv6-extension-header.cc	Mon Apr 18 11:23:57 2011 +0400
@@ -102,7 +102,7 @@
   m_length = i.ReadU8 ();
 
   uint32_t dataLength = GetLength () - 2;
-  uint8_t data[dataLength];
+  uint8_t* data = new uint8_t[dataLength];
   i.Read (data, dataLength);
 
   if (dataLength > m_data.GetSize ())
@@ -117,6 +117,7 @@
   i = m_data.Begin ();
   i.Write (data, dataLength);
 
+  delete[] data;
   return GetSerializedSize ();
 }
 
@@ -152,11 +153,12 @@
 
 uint32_t OptionField::Deserialize (Buffer::Iterator start, uint32_t length)
 {
-  uint8_t buf[length];
+  uint8_t* buf = new uint8_t[length];
   start.Read (buf, length);
   m_optionData = Buffer ();
   m_optionData.AddAtEnd (length);
   m_optionData.Begin ().Write (buf, length);
+  delete[] buf;
   return length;
 }