{"action":"Upgrade pocketmine/pocketmine-mp to 4.20.5 or later.","affected":[{"fixed":"4.20.5","introduced":"0"},{"fixed":"4.21.1","introduced":"4.21.0"}],"component":"pocketmine/pocketmine-mp","cve_ids":["CVE-2023-54393"],"ecosystem":"Packagist","epss":0.0035,"exploited":false,"fixed_versions":["4.20.5","4.21.1"],"ghsa_id":"GHSA-pqp3-8rrw-g8vm","id":"tcs_01M5KF6KMJMJ3VCW00FS3SPQ9A","modified_at":"2026-09-10T03:56:09.478775286Z","published_at":"2023-06-06T01:50:33Z","references":["https://osv.dev/vulnerability/GHSA-pqp3-8rrw-g8vm","https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-pqp3-8rrw-g8vm","https://github.com/cweiske/jsonmapper/pull/210","https://github.com/pmmp/PocketMine-MP/commit/09668a37d66c6023685a948b7550c918620e98f2","https://github.com/pmmp/netresearch-jsonmapper/commit/a31902a31f5b6fdb832f57c0e3a3f16a3b41c012","https://github.com/pmmp/PocketMine-MP"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-pqp3-8rrw-g8vm","url":"https://osv.dev/vulnerability/GHSA-pqp3-8rrw-g8vm"}],"summary":"PocketMine-MP vulnerable to server crash with certain invalid JSON payloads in `LoginPacket` due to vulnerable dependency"}