GHSA-H6J3-J35F-V2X7 PocketMine-MP server crash with certain invalid JSON payloads in `LoginPacket` due to dependency vulnerability (3rd time)

Impact An attacker could crash PocketMine-MP by sending malformed JSON in LoginPacket. netresearch/jsonmapper allows objects to be hydrated from scalar types in JSON. However, due to the lack of validation in the code for this feature, it may output improperly initialized objects if applied to...

PT-2024-40314

Name of the Vulnerable Software and Affected Versions PocketMine-MP affected versions not specified netresearch/jsonmapper affected versions not specified Description The issue allows an attacker to crash PocketMine-MP by sending malformed JSON in the LoginPacket. This is due to the lack of...

GHSA-92JH-GWCH-JQ38 PocketMine-MP server crash with certain invalid JSON payloads in `LoginPacket` due to dependency vulnerability (again)

Impact An attacker could crash PocketMine-MP by sending malformed JSON in LoginPacket. This happened due to the particular handling of NULL types in the json mapper which accepts NULL type values in typed arrays which PocketMine-MP did not expect. Code processing arrays in the JSON data could the...

PocketMine-MP server crash with certain invalid JSON payloads in `LoginPacket` due to dependency vulnerability (again)

Impact An attacker could crash PocketMine-MP by sending malformed JSON in LoginPacket. This happened due to the particular handling of NULL types in the json mapper which accepts NULL type values in typed arrays which PocketMine-MP did not expect. Code processing arrays in the JSON data could the...

GHSA-PQP3-8RRW-G8VM PocketMine-MP vulnerable to server crash with certain invalid JSON payloads in `LoginPacket` due to vulnerable dependency

Impact An attacker could crash PocketMine-MP by sending malformed JSON in LoginPacket. This happened due to a bug in netresearch/jsonmapper. The library wasn't doing proper checks when mapping JSON arrays and objects onto scalar model properties such as strings. Patches The problem was fixed in a...

PocketMine-MP vulnerable to server crash with certain invalid JSON payloads in `LoginPacket` due to vulnerable dependency

Impact An attacker could crash PocketMine-MP by sending malformed JSON in LoginPacket. This happened due to a bug in netresearch/jsonmapper. The library wasn't doing proper checks when mapping JSON arrays and objects onto scalar model properties such as strings. Patches The problem was fixed in a...

PT-2026-88984

Name of the Vulnerable Software and Affected Versions PocketMine-MP versions prior to 4.20.5 Description A denial of service issue exists during the parsing of JSON in the LoginPacket due to improper validation within the JsonMapper dependency. The library fails to perform adequate checks when...

PT-2023-33049 · Unknown · Netresearch/Jsonmapper +1

Name of the Vulnerable Software and Affected Versions: PocketMine-MP versions prior to 4.20.5 PocketMine-MP versions prior to 4.21.1 Description: An attacker could crash PocketMine-MP by sending malformed JSON in the LoginPacket. This issue occurred due to a bug in the netresearch/jsonmapper...