PocketMine-MP vulnerable to improperly checked dropped item count leading to server crash
Published Dec 31, 2025 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
PocketMine-MP vulnerable to improperly checked dropped item count leading to server crash
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
In 4.18.0, the network handling of inventories was completely revamped. Due to this, a bug was introduced which allowed players to request that the server drop more of an item than they had available in their hotbar.
Potential impact
In 4.18.0, the network handling of inventories was completely revamped. Due to this, a bug was introduced which allowed players to request that the server drop more of an item than they had available in their hotbar. This did not lead to any duplication issues, but instead led to a server crash, and is believed to have been exploited in the wild.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Dec 31, 2025 · Last refreshed Nov 3, 2026