GHSA-r8g9-w4f3-9crmHighCVSS 7.5
LMDB invalid write
🔗 CVE IDs covered (1)
📋 Description
An issue was discovered in py-lmdb 0.97. mdb_node_del does not validate a memmove in the case of an unexpected node->mn_hi, leading to an invalid write operation.
🎯 Affected products1
- pip/lmdb:<= 0.97
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2019-16226
- https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vuln
- https://github.com/jnwatson/py-lmdb/issues/210
- https://github.com/LMDB/lmdb/blob/mdb.master/libraries/liblmdb/mdb.c#L8443-L8498
- https://github.com/pypa/advisory-database/tree/main/vulns/lmdb/PYSEC-2019-238.yaml
- https://pypi.org/project/lmdb
- https://github.com/advisories/GHSA-r8g9-w4f3-9crm