{"id":"CVE-2022-51017","revision":"627936af64b2465391ab23147a4da9c7","records":[{"revision":"627936af64b2465391ab23147a4da9c7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-51017","aliases":[],"title":"PocketMine-MP before 3.26.5 and 4.0.5 Denial of Service via Skin Data","description":"PocketMine-MP versions before 3.26.5 and 4.0.5 fail to validate the length of skin data fields submitted by players, allowing uncapped values to exceed the 32767 byte TAG_String limit. Attackers can submit oversized skin data fields like skinID or geometryName to trigger exceptions during NBT data serialization, causing server crashes.","state":0,"publishedAt":"2026-09-07T12:55:09.862+00:00","modifiedAt":"2026-10-08T15:20:59.279+00:00","affected":[{"ecosystem":"Vendor product","name":"PocketMine-MP","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"pmmp\",\n                    \"product\": \"PocketMine-MP\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.26.5\"\n                        },\n                        {\n                            \"version\": \"3.26.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.0.5\"\n                        },\n                        {\n                            \"version\": \"4.0.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/pocketmine/pocketmine-mp\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-c6fg-99pr-25m9","https://github.com/pmmp/PocketMine-MP/commit/958a9dbf0fe3131ab60319c5a939f5dfbfe5dfbb","https://github.com/pmmp/PocketMine-MP/commit/6492cac5c10f9fa8443ceddd2191a7b65b73f601","https://www.vulncheck.com/advisories/pocketmine-mp-before-3.26.5-and-4.0.5-denial-of-service-via-skin-data"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-51017","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-51017","identifiers":["CVE-2022-51017"]},"retained":false,"historicalAffected":[]}],"coverage":[]}