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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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6
Minecraft.World/SynchedEntityData.cpp
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@@ -342,7 +342,10 @@ vector<shared_ptr<SynchedEntityData::DataItem> > *SynchedEntityData::unpack(Data
int currentHeader = input->readByte();
while (currentHeader != EOF_MARKER)
int itemCount = 0;
const int MAX_ENTITY_DATA_ITEMS = 256;
while (currentHeader != EOF_MARKER && itemCount < MAX_ENTITY_DATA_ITEMS)
{
if (result == nullptr)
@@ -397,6 +400,7 @@ vector<shared_ptr<SynchedEntityData::DataItem> > *SynchedEntityData::unpack(Data
break;
}
result->push_back(item);
itemCount++;
currentHeader = input->readByte();
}