diff --git a/src/event/block/BlockTeleportEvent.php b/src/event/block/BlockTeleportEvent.php
index 3dcd041ae..d20de90e1 100644
--- a/src/event/block/BlockTeleportEvent.php
+++ b/src/event/block/BlockTeleportEvent.php
@@ -27,6 +27,7 @@ use pocketmine\block\Block;
 use pocketmine\event\Cancellable;
 use pocketmine\event\CancellableTrait;
 use pocketmine\math\Vector3;
+use pocketmine\utils\Utils;
 
 class BlockTeleportEvent extends BlockEvent implements Cancellable{
 	use CancellableTrait;
@@ -44,6 +45,7 @@ class BlockTeleportEvent extends BlockEvent implements Cancellable{
 	}
 
 	public function setTo(Vector3 $to) : void{
+		Utils::checkVector3NotInfOrNaN($to);
 		$this->to = $to;
 	}
 }
diff --git a/src/event/entity/EntityTeleportEvent.php b/src/event/entity/EntityTeleportEvent.php
index 33f1d8de6..a513b4686 100644
--- a/src/event/entity/EntityTeleportEvent.php
+++ b/src/event/entity/EntityTeleportEvent.php
@@ -26,6 +26,7 @@ namespace pocketmine\event\entity;
 use pocketmine\entity\Entity;
 use pocketmine\event\Cancellable;
 use pocketmine\event\CancellableTrait;
+use pocketmine\utils\Utils;
 use pocketmine\world\Position;
 
 /**
@@ -54,6 +55,7 @@ class EntityTeleportEvent extends EntityEvent implements Cancellable{
 	}
 
 	public function setTo(Position $to) : void{
+		Utils::checkVector3NotInfOrNaN($to);
 		$this->to = $to;
 	}
 }
diff --git a/src/event/player/PlayerMoveEvent.php b/src/event/player/PlayerMoveEvent.php
index d9f258a3c..62b8a2843 100644
--- a/src/event/player/PlayerMoveEvent.php
+++ b/src/event/player/PlayerMoveEvent.php
@@ -27,6 +27,7 @@ use pocketmine\entity\Location;
 use pocketmine\event\Cancellable;
 use pocketmine\event\CancellableTrait;
 use pocketmine\player\Player;
+use pocketmine\utils\Utils;
 
 class PlayerMoveEvent extends PlayerEvent implements Cancellable{
 	use CancellableTrait;
@@ -51,6 +52,7 @@ class PlayerMoveEvent extends PlayerEvent implements Cancellable{
 	}
 
 	public function setTo(Location $to) : void{
+		Utils::checkLocationNotInfOrNaN($to);
 		$this->to = $to;
 	}
 }
diff --git a/src/event/player/PlayerRespawnEvent.php b/src/event/player/PlayerRespawnEvent.php
index 5f1f291ac..1bdc2446c 100644
--- a/src/event/player/PlayerRespawnEvent.php
+++ b/src/event/player/PlayerRespawnEvent.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\event\player;
 
 use pocketmine\player\Player;
+use pocketmine\utils\Utils;
 use pocketmine\world\Position;
 
 /**
@@ -46,6 +47,7 @@ class PlayerRespawnEvent extends PlayerEvent{
 		if(!$position->isValid()){
 			throw new \InvalidArgumentException("Spawn position must reference a valid and loaded World");
 		}
+		Utils::checkVector3NotInfOrNaN($position);
 		$this->position = $position;
 	}
 }
diff --git a/src/utils/Utils.php b/src/utils/Utils.php
index 0b772ae64..adb3187f5 100644
--- a/src/utils/Utils.php
+++ b/src/utils/Utils.php
@@ -28,7 +28,9 @@ declare(strict_types=1);
 namespace pocketmine\utils;
 
 use DaveRandom\CallbackValidator\CallbackType;
+use pocketmine\entity\Location;
 use pocketmine\errorhandler\ErrorTypeToStringMap;
+use pocketmine\math\Vector3;
 use Ramsey\Uuid\Uuid;
 use Ramsey\Uuid\UuidInterface;
 use function array_combine;
@@ -57,7 +59,9 @@ use function interface_exists;
 use function is_a;
 use function is_array;
 use function is_bool;
+use function is_infinite;
 use function is_int;
+use function is_nan;
 use function is_object;
 use function is_string;
 use function mb_check_encoding;
@@ -602,4 +606,27 @@ final class Utils{
 		}
 		return $value;
 	}
+
+	public static function checkFloatNotInfOrNaN(string $name, float $float) : void{
+		if(is_nan($float)){
+			throw new \InvalidArgumentException("$name cannot be NaN");
+		}
+		if(is_infinite($float)){
+			throw new \InvalidArgumentException("$name cannot be infinite");
+		}
+	}
+
+	public static function checkVector3NotInfOrNaN(Vector3 $vector3) : void{
+		if($vector3 instanceof Location){ //location could be masquerading as vector3
+			self::checkFloatNotInfOrNaN("yaw", $vector3->yaw);
+			self::checkFloatNotInfOrNaN("pitch", $vector3->pitch);
+		}
+		self::checkFloatNotInfOrNaN("x", $vector3->x);
+		self::checkFloatNotInfOrNaN("y", $vector3->y);
+		self::checkFloatNotInfOrNaN("z", $vector3->z);
+	}
+
+	public static function checkLocationNotInfOrNaN(Location $location) : void{
+		self::checkVector3NotInfOrNaN($location);
+	}
 }