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Vulnerabilities / CVE-2019-16227

critical

CVE-2019-16227

An issue was discovered in py-lmdb 0.97. For certain values of mn_flag ...

Published Modified CWE 787
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA.

Description

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.

Affected packages and fixed versions

SourcePackageFixed in
pip::GitHub Security Advisory piplmdbno fix listed
debian 11lmdb, py-lmdbno fix listed
debian 12lmdb, py-lmdbno fix listed
debian 13lmdb, py-lmdbno fix listed
debian 14lmdb, py-lmdbno fix listed
echolmdb, py-lmdb0.9.31-1+e2
rapidfort debian 12lmdb, py-lmdb, rf-lmdbno fix listed
rapidfort debian 13lmdb, py-lmdb, rf-lmdbno fix listed
Show all 17 entries from 8 sources
SourcePackageFixed in
pip::GitHub Security Advisory piplmdbno fix listed
debian 11lmdbno fix listed
debian 11py-lmdbno fix listed
debian 12lmdbno fix listed
debian 12py-lmdbno fix listed
debian 13lmdbno fix listed
debian 13py-lmdbno fix listed
debian 14lmdbno fix listed
debian 14py-lmdbno fix listed
echolmdb0.9.31-1+e2
echopy-lmdbno fix listed
rapidfort debian 12lmdbno fix listed
rapidfort debian 12py-lmdbno fix listed
rapidfort debian 12rf-lmdbno fix listed
rapidfort debian 13lmdbno fix listed
rapidfort debian 13py-lmdbno fix listed
rapidfort debian 13rf-lmdbno fix listed

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.