{"id":"CVE-2022-51011","state":"PUBLISHED","title":"PocketMine-MP before 4.2.10 Denial of Service via Chat Messages","description":"PocketMine-MP before 4.2.10 fails to validate the total length of incoming chat message blobs before splitting them by newline characters, allowing attackers to send large messages containing many newlines. Malicious clients can send megabyte-sized chat packets and bombard the server with thousands of such messages, causing server lockups lasting seconds or minutes.","publishedAt":"2026-09-07T12:55:05.898Z","updatedAt":"2026-10-08T15:20:55.176Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["pmmp PocketMine-MP"],"affected":[{"vendor":"pmmp","product":"PocketMine-MP","packageURL":"pkg:composer/pocketmine/pocketmine-mp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.2.10","versionType":"semver"},{"version":"4.2.10","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-gj94-v4p9-w672","https://github.com/pmmp/PocketMine-MP/commit/df33e179e5d3ff13b56a2d7060bf592b0f797258","https://www.vulncheck.com/advisories/pocketmine-mp-before-4.2.10-denial-of-service-via-chat-messages"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/51xxx/CVE-2022-51011.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-51011","state":"PUBLISHED","datePublished":"2026-09-07T12:55:05.898Z","dateUpdated":"2026-10-08T15:20:55.176Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-05T21:01:56.324Z"},"containers":{"cna":{"title":"PocketMine-MP before 4.2.10 Denial of Service via Chat Messages","descriptions":[{"lang":"en","value":"PocketMine-MP before 4.2.10 fails to validate the total length of incoming chat message blobs before splitting them by newline characters, allowing attackers to send large messages containing many newlines. Malicious clients can send megabyte-sized chat packets and bombard the server with thousands of such messages, causing server lockups lasting seconds or minutes."}],"affected":[{"vendor":"pmmp","product":"PocketMine-MP","packageURL":"pkg:composer/pocketmine/pocketmine-mp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.2.10","versionType":"semver"},{"version":"4.2.10","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-gj94-v4p9-w672","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-gj94-v4p9-w672)"},{"url":"https://github.com/pmmp/PocketMine-MP/commit/df33e179e5d3ff13b56a2d7060bf592b0f797258","tags":["patch"],"name":"Patch Commit"},{"url":"https://www.vulncheck.com/advisories/pocketmine-mp-before-4.2.10-denial-of-service-via-chat-messages","name":"VulnCheck Advisory: PocketMine-MP before 4.2.10 Denial of Service via Chat Messages","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"Improper Input Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-08T15:20:55.176Z"},"datePublic":"2022-05-22T00:00:00.000Z","tags":["unsupported-when-assigned"],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-10T14:18:58.214646Z","id":"CVE-2022-51011","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-10T15:03:57.274Z"}}]}}}