CVE-2026-86198
2.3
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Summary
PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUS_COMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly trigger pre-spawn progression, creating duplicate Player objects and amplifying memory consumption and network traffic.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| pmmp | PocketMine-MP | 0 < 5.44.2 | affected |
| pmmp | PocketMine-MP | 5.44.2 | unaffected |
Weaknesses
- CWE-837: Improper Enforcement of a Single, Unique Action
References
- https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-pg53-p7qp-65cv
- https://github.com/pmmp/PocketMine-MP/commit/7a27894146a04964ab628ed9033140fdbf887ff3
- https://www.vulncheck.com/advisories/pocketmine-mp-before-5.44.2-denial-of-service-via-resourcepackclientresponsepacket
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