A flaw was found in 389 Directory Server. A type confusion in the SSO token extended operation handler causes partial stack address information to be disclosed in LDAP responses to authenticated users.

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Fixes

Solution

No solution given by the vendor.


Workaround

Option 1 (Recommended): Disable the SSO token feature entirely: dsconf <instance> config replace nsslapd-enable-ldapssotoken=off. This prevents the vulnerable code path from being reached but disables SSO token functionality for all users. Option 2: Restrict network access to LDAP ports (389/636) to trusted networks via firewall rules. Note: Removing the SSO token secret from configuration does not mitigate the vulnerability — the server auto-generates a new secret at startup.

History

Tue, 09 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 09 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in 389 Directory Server. A type confusion in the SSO token extended operation handler causes partial stack address information to be disclosed in LDAP responses to authenticated users.
Title 389-ds-base: 389-ds-base: partial stack address information leak via ber_printf type confusion in sso token handler
First Time appeared Redhat
Redhat directory Server
Redhat enterprise Linux
Weaknesses CWE-843
CPEs cpe:/a:redhat:directory_server:11
cpe:/a:redhat:directory_server:12
cpe:/a:redhat:directory_server:13
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat directory Server
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-06-09T13:29:48.790Z

Reserved: 2026-06-09T12:52:20.837Z

Link: CVE-2026-11785

cve-icon Vulnrichment

Updated: 2026-06-09T13:29:45.726Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-09T14:16:36.483

Modified: 2026-06-09T14:42:21.530

Link: CVE-2026-11785

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T15:30:08Z

Weaknesses