{"id":"CVE-2021-35041","details":"The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory sustainably and crash. More details are shown at: https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951","modified":"2026-03-14T08:24:00.761448Z","published":"2021-06-24T00:15:08.300Z","references":[{"type":"FIX","url":"https://github.com/FISCO-BCOS/FISCO-BCOS/issues/1951"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/fisco-bcos/fisco-bcos","events":[{"introduced":"0"},{"last_affected":"4c8a5bbe44c19db8a002017ff9dbb16d3d28e9da"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.7.2"}]}}],"versions":["v2.0.0","v2.0.0-rc1","v2.0.0-rc2","v2.0.0-rc3","v2.0.1","v2.1.0","v2.2.0","v2.3.0","v2.4.0","v2.4.1","v2.5.0","v2.6.0","v2.7.0","v2.7.1","v2.7.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-35041.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}