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PYSEC-2019-240

Quick fix

PYSEC-2019-240 — 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. There is a divide-by-zero error in the function mdb_env_open2 if mdb_env_read_header obtains a zero value for a certain size field. 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/FPE[WEB]
https://pypi.org/project/lmdb[PACKAGE]
https://nvd.nist.gov/vuln/detail/CVE-2019-16228[ADVISORY]
https://github.com/advisories/GHSA-ggwq-vrgp-6gv4[ADVISORY]