CVE catalog

CVE-2019-16226

py-lmdb: CVE-2019-16226

Severity: High · CVSS 7.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Published: Jan 11, 2019, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.59% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	lmdb	sid	`0.9.35-1`	vulnerable
Debian	lmdb	forky	`0.9.35-1`	vulnerable
Debian	lmdb	trixie	`0.9.31-1`	vulnerable
Debian	lmdb	bookworm	`0.9.24-1`	vulnerable
Debian	py-lmdb	sid	`1.4.1-3`	vulnerable
Debian	py-lmdb	forky	`1.4.1-3`	vulnerable
Debian	py-lmdb	trixie	`1.4.1-3`	vulnerable
Debian	py-lmdb	bookworm	`1.4.0-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	lmdb	source	sid	`(unfixed)`	not yet assigned	Not reported	[1141312]
Debian	lmdb	source	forky	`(unfixed)`	not yet assigned	Not reported	[1141312]
Debian	lmdb	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1141312]
Debian	lmdb	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1141312]
Debian	py-lmdb	source	sid	`(unfixed)`	unimportant	Not reported	[1132719]
Debian	py-lmdb	source	forky	`(unfixed)`	unimportant	Not reported	[1132719]
Debian	py-lmdb	source	trixie	`(unfixed)`	unimportant	Not reported	[1132719]
Debian	py-lmdb	source	bookworm	`(unfixed)`	unimportant	Not reported	[1132719]

[Debian bug #1141312][Debian bug #1132719]

Notes

[trixie] lmdb: Minor issue [bookworm] lmdb: Minor issue; only reachable via attacker-supplied/corrupted LMDB database file; unfixed upstream

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[liblmdb0]Affected
Source package: [lmdb]
Details (2)
- 0.9.24-1 · amd64 · bookworm
  Affected
  dsa · lmdb · debian · bookworm; dsa · lmdb · debian · 12
- 0.9.24-1 · arm64 · bookworm
  Affected
  dsa · lmdb · debian · bookworm; dsa · lmdb · debian · 12
[liblmdb-dev]Affected
Source package: [lmdb]
Details (2)
- 0.9.24-1 · amd64 · bookworm
  Affected
  dsa · lmdb · debian · bookworm; dsa · lmdb · debian · 12
- 0.9.24-1 · arm64 · bookworm
  Affected
  dsa · lmdb · debian · bookworm; dsa · lmdb · debian · 12
[lmdb-doc]Affected
Source package: [lmdb]
Details (2)
- 0.9.24-1 · all · bookworm
  Affected
  dsa · lmdb · debian · bookworm; dsa · lmdb · debian · 12
- 0.9.24-1 · all · bookworm
  Affected
  dsa · lmdb · debian · bookworm; dsa · lmdb · debian · 12
[lmdb-utils]Affected
Source package: [lmdb]
Details (2)
- 0.9.24-1 · amd64 · bookworm
  Affected
  dsa · lmdb · debian · bookworm; dsa · lmdb · debian · 12
- 0.9.24-1 · arm64 · bookworm
  Affected
  dsa · lmdb · debian · bookworm; dsa · lmdb · debian · 12
[python3-lmdb]Affected
Source package: [py-lmdb]
Details (2)
- 1.4.0-1+b1 · amd64 · bookworm
  Affected
  dsa · py-lmdb · debian · bookworm; dsa · py-lmdb · debian · 12
- 1.4.0-1+b1 · arm64 · bookworm
  Affected
  dsa · py-lmdb · debian · bookworm; dsa · py-lmdb · debian · 12

[Debian 13 (Trixie)]

[liblmdb0]Affected
Source package: [lmdb]
Details (2)
- 0.9.31-1+b2 · amd64 · trixie
  Affected
  dsa · lmdb · debian · 13
- 0.9.31-1+b2 · arm64 · trixie
  Affected
  dsa · lmdb · debian · 13
[liblmdb-dev]Affected
Source package: [lmdb]
Details (2)
- 0.9.31-1+b2 · amd64 · trixie
  Affected
  dsa · lmdb · debian · 13
- 0.9.31-1+b2 · arm64 · trixie
  Affected
  dsa · lmdb · debian · 13
[lmdb-doc]Affected
Source package: [lmdb]
Details (2)
- 0.9.31-1 · all · trixie
  Affected
  dsa · lmdb · debian · 13
- 0.9.31-1 · all · trixie
  Affected
  dsa · lmdb · debian · 13
[lmdb-utils]Affected
Source package: [lmdb]
Details (2)
- 0.9.31-1+b2 · amd64 · trixie
  Affected
  dsa · lmdb · debian · 13
- 0.9.31-1+b2 · arm64 · trixie
  Affected
  dsa · lmdb · debian · 13
[python3-lmdb]Affected
Source package: [py-lmdb]
Details (2)
- 1.4.1-3+b2 · amd64 · trixie
  Affected
  dsa · py-lmdb · debian · 13
- 1.4.1-3+b2 · arm64 · trixie
  Affected
  dsa · py-lmdb · debian · 13

Observed: Oct 23, 2026, 5:41:16 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]