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Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
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Mon, 07 Sep 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service. | |
| Title | 389-ds-base: 389-ds-base: pre-authentication null pointer dereference via paged results and use_one_backend control in op_shared_search | |
| First Time appeared |
Redhat
Redhat directory Server Redhat enterprise Linux |
|
| Weaknesses | CWE-476 | |
| 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
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-09-07T14:14:48.845Z
Reserved: 2026-07-31T06:49:45.234Z
Link: CVE-2026-18453
No data.
Status : Received
Published: 2026-09-07T15:17:31.017
Modified: 2026-09-07T15:17:31.017
Link: CVE-2026-18453
No data.
OpenCVE Enrichment
Updated: 2026-09-07T15:45:17Z