CVE-2021-48007

MEDIUMCVSS 6.5

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.

Timeline

Published:September 6th, 2026 12:17 PM

Last modified:September 6th, 2026 1:17 PM

CVSS Scoring

CVSS v3: 6.5 (MEDIUM)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-20

References & Reports

Advisories, patches, and third-party reports

https://github.com/pmmp/PocketMine-MP/commit/fb20bb38327b4c08ee3976640cd0dd547388a638
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-fm35-jgg3-3grx
https://www.vulncheck.com/advisories/pocketmine-mp-before-3.18.1-denial-of-service-via-moveplayerpacket

Source: NIST NVD · Data may lag official sources by up to one minute