CVE-2026-11788

A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:directory_server:13.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:389_directory_server:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

History

12 Jun 2026, 18:30

Type Values Removed Values Added
References () https://access.redhat.com/security/cve/CVE-2026-11788 - () https://access.redhat.com/security/cve/CVE-2026-11788 - Vendor Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2485423 - () https://bugzilla.redhat.com/show_bug.cgi?id=2485423 - Issue Tracking, Vendor Advisory
References () https://redhat.atlassian.net/browse/PSIRTSUPT-7600 - () 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-2026-11788

Mitre link : CVE-2026-11788

CVE.ORG link : CVE-2026-11788


JSON object : View

Products Affected

redhat

  • directory_server
  • 389_directory_server
  • enterprise_linux
CWE
CWE-476

NULL Pointer Dereference