CVE catalog

CVE-2026-22185

lmdb: CVE-2026-22185

Severity: Medium · CVSS 6.8CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published: Jan 7, 2026, 8:26:30 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.15% · Oct 25, 2026

OpenLDAP Lightning Memory-Mapped Database (LMDB) versions up to and including 0.9.14, prior to commit 8e1fda8, contain a heap buffer underflow in the readline() function of mdb_load. When processing malformed input containing an embedded NUL byte, an unsigned offset calculation can underflow and cause an out-of-bounds read of one byte before the allocated heap buffer. This can cause mdb_load to crash, leading to a limited denial-of-service condition.

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	openldap	sid	`2.6.14+dfsg-2`	vulnerable
Debian	openldap	forky	`2.6.14+dfsg-2`	vulnerable
Debian	openldap	trixie	`2.6.10+dfsg-1`	vulnerable
Debian	openldap	bookworm	`2.5.13+dfsg-5`	vulnerable
Suse	openldap2_5	linux enterprise module for basesystem 15 sp7	`2.5.20+11-150500.11.38.1`	fixed
Suse	openldap2_5	linux enterprise module for server applications 15 sp7	`2.5.20+11-150500.11.38.1`	fixed
Opensuse	openldap2_5	leap 15.6	`2.5.20+11-150500.11.38.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	lmdb	source	sid	`(unfixed)`	not yet assigned	Not reported	[1126287]
Debian	lmdb	source	forky	`(unfixed)`	not yet assigned	Not reported	[1126287]
Debian	lmdb	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1126287]
Debian	lmdb	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1126287]
Debian	openldap	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	openldap	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	openldap	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	openldap	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported
Suse	openldap2_5	rpm	linux enterprise module for basesystem 15 sp7	`2.5.20+11-150500.11.38.1`	Not reported	SUSE-SU-2026:0256-1	Not reported
Suse	openldap2_5	rpm	linux enterprise module for server applications 15 sp7	`2.5.20+11-150500.11.38.1`	Not reported	SUSE-SU-2026:0256-1	Not reported
Opensuse	openldap2_5	rpm	leap 15.6	`2.5.20+11-150500.11.38.1`	Not reported	SUSE-SU-2026:0256-1	Not reported

[Debian bug #1126287]

Notes

[trixie] lmdb: Minor issue [bookworm] lmdb: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[ldap-utils]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[libldap-2.5-0]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[libldap2-dev]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[libldap-common]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[libldap-dev]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[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
[slapd]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[slapd-contrib]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[slapd-smbk5pwd]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · all · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
[slapi-dev]Affected
Source package: [openldap]
Details (2)
- 2.5.13+dfsg-5 · amd64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12
- 2.5.13+dfsg-5 · arm64 · bookworm
  Affected
  dsa · openldap · debian · bookworm; dsa · openldap · debian · 12

[Debian 13 (Trixie)]

[ldap-utils]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13
[libldap2]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13
[libldap2-dev]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · all · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · all · trixie
  Affected
  dsa · openldap · debian · 13
[libldap-common]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · all · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · all · trixie
  Affected
  dsa · openldap · debian · 13
[libldap-dev]Affected
Source package: [openldap]
Details (2)
- 2.6.10+dfsg-1 · amd64 · trixie
  Affected
  dsa · openldap · debian · 13
- 2.6.10+dfsg-1 · arm64 · trixie
  Affected
  dsa · openldap · debian · 13
[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

Next results

Observed: Oct 24, 2026, 7:41:40 AM UTC

References

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