CVE-2021-48007
PocketMine-MP before 3.18.1 Denial of Service via MovePlayerPacket
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 6, 2026
- Updated
- Oct 8, 2026
- Reserved
- Sep 5, 2026
Description
PocketMine-MP versions before 3.18.1 fail to validate NaN or INF values in MovePlayerPacket position and rotation fields. Malicious clients can send crafted movement packets with invalid floating-point values to crash servers through unhandled mathematical operations or prevent clients from rendering other players.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-20 Improper Input Validation
Affected Products
| Product | Versions |
|---|---|
PocketMine-MPpmmp |
|
References
- GitHub Security Advisory (GHSA-fm35-jgg3-3grx)vendor-advisory
- Patch Commitpatch
- VulnCheck Advisory: PocketMine-MP before 3.18.1 Denial of Service via MovePlayerPacketthird-party-advisory
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