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LCEMP RCE Fixes WIP

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Based on d017bfc30a
This commit is contained in:
Loki Rautio
2026-03-09 04:46:37 -05:00
parent 0c4f459904
commit 164f034b0a
27 changed files with 223 additions and 80 deletions
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6
Minecraft.World/BlockRegionUpdatePacket.cpp
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@@ -105,6 +105,12 @@ void BlockRegionUpdatePacket::read(DataInputStream *dis) //throws IOException
levelIdx = ( size >> 30 ) & 3;
size &= 0x3fffffff;
const int MAX_COMPRESSED_CHUNK_SIZE = 5 * 1024 * 1024;
if (size < 0 || size > MAX_COMPRESSED_CHUNK_SIZE)
{
size = 0;
}
if(size == 0)
{
buffer = byteArray();