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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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"NVD: disclosure@vulncheck.com","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":4.3,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}],"modifiedAt":1794312600177,"publishedAt":1788787042890,"references":[{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/pmmp/PocketMine-MP/commit/df33e179e5d3ff13b56a2d7060bf592b0f797258"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-gj94-v4p9-w672"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/pocketmine-mp-before-4.2.10-denial-of-service-via-chat-messages"},{"source":"OSV / GitHub Security Advisories","tags":["advisory"],"url":"https://github.com/advisories/GHSA-gj94-v4p9-w672"},{"source":"OSV / GitHub Security Advisories","tags":["osv"],"url":"https://osv.dev/vulnerability/GHSA-gj94-v4p9-w672"}],"remediation":[{"kind":"fix","source":"OSV GHSA-gj94-v4p9-w672","text":"pocketmine/pocketmine-mp (Packagist): OSV reports a fixed version 4.2.10. Check the advisory for supported release branches.","url":"https://github.com/advisories/GHSA-gj94-v4p9-w672"}],"revision":"f8b6673f4f1ea4e95364dc1ef0e88bb41f4374a81ca8c0efcbc06104f2a6c6b8","sources":[{"modifiedAt":1794312600177,"name":"NVD","retrievedAt":1794313099823,"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-51011"},{"modifiedAt":1788871094319,"name":"OSV / GitHub Security Advisories","retrievedAt":1794313100194,"url":"https://osv.dev/vulnerability/GHSA-gj94-v4p9-w672"}],"ssvc":{"assessedAt":1789049938214,"automatable":"no","exploitation":"none","source":"NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0","technicalImpact":"partial"},"status":"published","title":"CVE-2022-51011","updatedAt":1794313100194}