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LCEMP RCE fixes

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Based on commit d017bfc30a68888bf5c79b23cf5c4f607cf828bf
This commit is contained in:
Loki Rautio 2026-03-09 04:45:14 -05:00
parent 0c4f459904
commit d557ca2dfb
27 changed files with 222 additions and 80 deletions
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7
Minecraft.World/ComplexItemDataPacket.cpp
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@ -32,7 +32,12 @@ void ComplexItemDataPacket::read(DataInputStream *dis) //throws IOException
itemType = dis->readShort();
itemId = dis->readShort();
data = charArray(dis->readUnsignedShort() & 0xffff);
int dataLength = dis->readShort() & 0xffff;
if (dataLength > 32767)
{
dataLength = 0;
}
data = charArray(dataLength);
dis->readFully(data);
}