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.
References
| Link | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-11789 | Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2485422 | Issue Tracking Vendor Advisory |
| https://redhat.atlassian.net/browse/PSIRTSUPT-7600 | Permissions Required |
Configurations
Configuration 1 (hide)
|
History
12 Jun 2026, 18:30
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://access.redhat.com/security/cve/CVE-2026-11789 - Vendor Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2485422 - Issue Tracking, Vendor Advisory | |
| References | () https://redhat.atlassian.net/browse/PSIRTSUPT-7600 - Permissions Required | |
| CPE | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:389_directory_server:-:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:* cpe:2.3:a:redhat:directory_server:13.0:*:*:*:*:*:*:* |
|
| First Time |
Redhat directory Server
Redhat enterprise Linux Redhat 389 Directory Server Redhat |
09 Jun 2026, 14:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-06-09 14:16
Updated : 2026-06-12 18:30
NVD link : CVE-2026-11789
Mitre link : CVE-2026-11789
CVE.ORG link : CVE-2026-11789
JSON object : View
Products Affected
redhat
- directory_server
- 389_directory_server
- enterprise_linux
CWE
CWE-191
Integer Underflow (Wrap or Wraparound)