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PYSEC-2019-238

Quick fix

PYSEC-2019-238 — lmdb: upgrade to the fixed version with the command below.

pip install --upgrade 'lmdb>=0.98'

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->mn_hi, leading to an invalid write operation. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/lmdb

Introduced in: 0Fixed in: 0.98

Fixpip install --upgrade 'lmdb>=0.98'

References

https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vuln[WEB]
https://pypi.org/project/lmdb[PACKAGE]
https://nvd.nist.gov/vuln/detail/CVE-2019-16226[ADVISORY]
https://github.com/advisories/GHSA-r8g9-w4f3-9crm[ADVISORY]