{"id":"PYSEC-2019-238","details":"An issue was discovered in py-lmdb 0.97. mdb_node_del does not validate a memmove in the case of an unexpected node-\u003emn_hi, leading to an invalid write operation. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.","aliases":["CVE-2019-16226","GHSA-r8g9-w4f3-9crm"],"modified":"2023-11-08T04:01:17.071800Z","published":"2019-09-11T15:15:00Z","references":[{"type":"WEB","url":"https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vuln"},{"type":"PACKAGE","url":"https://pypi.org/project/lmdb"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16226"}],"affected":[{"package":{"name":"lmdb","ecosystem":"PyPI","purl":"pkg:pypi/lmdb"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.98"}]}],"versions":["0.58","0.59","0.60","0.61","0.62","0.63","0.64","0.65","0.66","0.67","0.68","0.69","0.70","0.71","0.73","0.74","0.75","0.76","0.77","0.78","0.79","0.80","0.81","0.82","0.83","0.84","0.85","0.86","0.87","0.88","0.89","0.91","0.92","0.93","0.94","0.95","0.96","0.97"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/lmdb/PYSEC-2019-238.yaml"}}],"schema_version":"1.7.3"}