CVE-2022-51012
PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
PocketMine-MP versions before 4.2.9 fail to properly validate NBT data types during deserialization of inventory transaction packets from clients. Attackers can send crafted inventory transactions with malformed NBT tags to trigger server crashes and cause denial of service.
| CWE | CWE-20 |
| Vendor | pmmp |
| Product | pocketmine-mp |
| Published | Sep 7, 2026 |
| Last Updated | Sep 8, 2026 |
Stay Ahead of the Next One
Get instant alerts for pmmp pocketmine-mp
Be the first to know when new medium vulnerabilities affecting pmmp pocketmine-mp are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
pmmp / PocketMine-MP
0 < 4.2.9
References
github.com: https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-g5rr-p69h-7v3g github.com: https://github.com/pmmp/PocketMine-MP/commit/5a98b08ee8dc8ff14862cd83d2e4af9d212fefc2 vulncheck.com: https://www.vulncheck.com/advisories/pocketmine-mp-before-4.2.9-denial-of-service-via-nbt-deserialization