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CVSS Score
-The vulnerability stemmed from the lack of item count validation in the inventory transaction handling. The patch added a check comparing $sourceSlotItem->getCount() against $droppedCount, confirming the absence of this validation in the original code. The handleNormalTransaction function in InGamePacketHandler.php was directly modified to address this flaw, making it the clear vulnerable point.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| pocketmine/pocketmine-mp | composer | < 4.18.1 | 4.18.1 |