CVE catalog

CVE-2026-11789

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a

[CVE catalog]

Severity: Medium · CVSS 4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Published: Apr 16, 2026, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.28% · Oct 25, 2026

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read that crashes the LDAP server during authentication.

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	389-ds-base	sid	`3.3.1-3`	fixed
Debian	389-ds-base	trixie	`3.1.2+dfsg1-1+deb13u1`	vulnerable
Debian	389-ds-base	bookworm	`2.3.1+dfsg1-1+deb12u1`	vulnerable
Cpe	389-ds-base	Not reported	Not reported	vulnerable
Cpe	directory_server	Not reported	Not reported	unknown
Cpe	389_directory_server	Not reported	Not reported	unknown
Cpe	enterprise_linux	Not reported	Not reported	unknown

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	389-ds-base	source	sid	`3.3.1-1`	not yet assigned	Not reported	[1139814]
Debian	389-ds-base	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1139814]
Debian	389-ds-base	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1139814]

[Debian bug #1139814]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[389-ds]Affected
Source package: [389-ds-base]
Details (2)
- 2.3.1+dfsg1-1+deb12u1 · all · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- 2.3.1+dfsg1-1+deb12u1 · all · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
[389-ds-base]Affected
Details (2)
- 2.3.1+dfsg1-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- 2.3.1+dfsg1-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
[389-ds-base-dev]Affected
Source package: [389-ds-base]
Details (2)
- 2.3.1+dfsg1-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- 2.3.1+dfsg1-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
[389-ds-base-libs]Affected
Source package: [389-ds-base]
Details (2)
- 2.3.1+dfsg1-1+deb12u1 · amd64 · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- 2.3.1+dfsg1-1+deb12u1 · arm64 · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
[cockpit-389-ds]Affected
Source package: [389-ds-base]
Details (2)
- 2.3.1+dfsg1-1+deb12u1 · all · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- 2.3.1+dfsg1-1+deb12u1 · all · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
[python3-lib389]Affected
Source package: [389-ds-base]
Details (2)
- 2.3.1+dfsg1-1+deb12u1 · all · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- 2.3.1+dfsg1-1+deb12u1 · all · bookworm
  Affected
  nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12

[Debian 13 (Trixie)]

[389-ds]Affected
Source package: [389-ds-base]
Details (2)
- 3.1.2+dfsg1-1+deb13u1 · all · trixie
  Affected
  nvd · 389-ds-base · debian · 13
- 3.1.2+dfsg1-1+deb13u1 · all · trixie
  Affected
  nvd · 389-ds-base · debian · 13
[389-ds-base]Affected
Details (2)
- 3.1.2+dfsg1-1+deb13u1 · amd64 · trixie
  Affected
  nvd · 389-ds-base · debian · 13
- 3.1.2+dfsg1-1+deb13u1 · arm64 · trixie
  Affected
  nvd · 389-ds-base · debian · 13
[389-ds-base-dev]Affected
Source package: [389-ds-base]
Details (2)
- 3.1.2+dfsg1-1+deb13u1 · amd64 · trixie
  Affected
  nvd · 389-ds-base · debian · 13
- 3.1.2+dfsg1-1+deb13u1 · arm64 · trixie
  Affected
  nvd · 389-ds-base · debian · 13
[389-ds-base-libs]Affected
Source package: [389-ds-base]
Details (2)
- 3.1.2+dfsg1-1+deb13u1 · amd64 · trixie
  Affected
  nvd · 389-ds-base · debian · 13
- 3.1.2+dfsg1-1+deb13u1 · arm64 · trixie
  Affected
  nvd · 389-ds-base · debian · 13
[cockpit-389-ds]Affected
Source package: [389-ds-base]
Details (2)
- 3.1.2+dfsg1-1+deb13u1 · all · trixie
  Affected
  nvd · 389-ds-base · debian · 13
- 3.1.2+dfsg1-1+deb13u1 · all · trixie
  Affected
  nvd · 389-ds-base · debian · 13
[python3-lib389]Affected
Source package: [389-ds-base]
Details (2)
- 3.1.2+dfsg1-1+deb13u1 · all · trixie
  Affected
  nvd · 389-ds-base · debian · 13
- 3.1.2+dfsg1-1+deb13u1 · all · trixie
  Affected
  nvd · 389-ds-base · debian · 13

Observed: Oct 23, 2026, 9:46:28 PM UTC

References

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