High severity7.5NVD Advisory· Published Sep 11, 2019· Updated Jun 17, 2026
CVE-2019-16228
CVE-2019-16228
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
lmdbPyPI | <= 0.97 | — |
Affected products
4- py-lmdb/py-lmdbdescription
- ghsa-coords2 versions
<= 0.97+ 1 more
- (no CPE)range: <= 0.97
- (no CPE)range: < 2.1.1-1.1
Patches
Vulnerability mechanics
References
5- github.com/TeamSeri0us/pocs/tree/master/lmdb/FPEnvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-ggwq-vrgp-6gv4ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-16228ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/lmdb/PYSEC-2019-240.yamlghsaWEB
- pypi.org/project/lmdbghsaWEB
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