{"id":"GHSA-pf3p-v9xp-mrvf","summary":"py-lmdb Invalid write operation","details":"An issue was discovered in py-lmdb 0.97. For certain values of `mn_flags`, `mdb_cursor_set` triggers a memcpy with an invalid write operation within `mdb_xcursor_init1`. NOTE: this outcome occurs when accessing a `data.mdb` file supplied by an attacker.","aliases":["CVE-2019-16227","PYSEC-2019-239"],"modified":"2024-09-30T17:04:57.039914Z","published":"2022-05-24T22:00:30Z","database_specific":{"nvd_published_at":"2019-09-11T15:15:00Z","github_reviewed":true,"github_reviewed_at":"2024-04-22T22:36:09Z","severity":"CRITICAL","cwe_ids":["CWE-787"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16227"},{"type":"WEB","url":"https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memcpy%20illegal%20dst"},{"type":"PACKAGE","url":"https://github.com/jnwatson/py-lmdb"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/lmdb/PYSEC-2019-239.yaml"},{"type":"WEB","url":"https://pypi.org/project/lmdb"}],"affected":[{"package":{"name":"lmdb","ecosystem":"PyPI","purl":"pkg:pypi/lmdb"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.97"}]}],"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/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-pf3p-v9xp-mrvf/GHSA-pf3p-v9xp-mrvf.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}