# Redhat 389 Directory Server vulnerabilities

Source: https://junglewise.ai/threats/technologies/389-directory-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/389-directory-server.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 9 vulnerabilities in Redhat 389 Directory Server: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-18453, was published on 7 September 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 9 (0 critical, 0 exploited in the wild)

## About Redhat 389 Directory Server

389 Directory Server is an enterprise-class open source LDAP server.

## Latest Redhat 389 Directory Server vulnerabilities

- [CVE-2026-18453: 389 Directory Server NULL pointer dereference in paged results](https://junglewise.ai/threats/cve-2026-18453-389-directory-server-null-pointer-dereference-in-paged-results) (high, CVSS 7.5, published 7 Sep 2026)
- [CVE-2026-76560: 389 Directory Server SELFDN ACI bypass in bind-rule evaluator](https://junglewise.ai/threats/cve-2026-76560-389-directory-server-selfdn-aci-bypass-in-bind-rule-evaluator) (high, CVSS 7.5, published 7 Sep 2026)
- [CVE-2026-78701: 389 Directory Server SASL UNBIND denial of service](https://junglewise.ai/threats/cve-2026-78701-389-directory-server-sasl-unbind-denial-of-service) (medium, CVSS 6.5, published 25 Aug 2026)
- [CVE-2026-19404: 389 Directory Server missing authorization in CleanAllRUV operations](https://junglewise.ai/threats/cve-2026-19404-389-directory-server-missing-authorization-in-cleanallruv) (medium, CVSS 6.5, published 10 Aug 2026)
- [CVE-2026-18651: A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-level bind…](https://junglewise.ai/threats/cve-2026-18651-a-flaw-was-found-in-389-directory-server-during-sasl-plain) (medium, CVSS 5.4, published 3 Aug 2026)
- [CVE-2026-11770: 389 Directory Server LDAP injection in CleanAllRUV replication](https://junglewise.ai/threats/cve-2026-11770-389-directory-server-ldap-injection-in-cleanallruv-replication) (high, CVSS 7.5, published 31 Jul 2026)
- [CVE-2026-15041: 389 Directory Server timing side-channel in PBKDF2-SHA256 comparison](https://junglewise.ai/threats/cve-2026-15041-389-directory-server-timing-side-channel-in-pbkdf2-sha256) (low, CVSS 3.7, published 8 Jul 2026)
- [CVE-2026-11791: 389 Directory Server use-after-free in schema reload](https://junglewise.ai/threats/cve-2026-11791-389-directory-server-use-after-free-in-schema-reload) (medium, CVSS 5, published 18 Jun 2026)
- [CVE-2026-12528: 389 Directory Server heap buffer overflow in ACI parsing](https://junglewise.ai/threats/cve-2026-12528-389-directory-server-heap-buffer-overflow-in-aci-parsing) (medium, CVSS 5.4, published 17 Jun 2026)

## Most severe Redhat 389 Directory Server vulnerabilities

- [CVE-2026-18453: 389 Directory Server NULL pointer dereference in paged results](https://junglewise.ai/threats/cve-2026-18453-389-directory-server-null-pointer-dereference-in-paged-results) (high, CVSS 7.5, published 7 Sep 2026)
- [CVE-2026-76560: 389 Directory Server SELFDN ACI bypass in bind-rule evaluator](https://junglewise.ai/threats/cve-2026-76560-389-directory-server-selfdn-aci-bypass-in-bind-rule-evaluator) (high, CVSS 7.5, published 7 Sep 2026)
- [CVE-2026-11770: 389 Directory Server LDAP injection in CleanAllRUV replication](https://junglewise.ai/threats/cve-2026-11770-389-directory-server-ldap-injection-in-cleanallruv-replication) (high, CVSS 7.5, published 31 Jul 2026)
- [CVE-2026-78701: 389 Directory Server SASL UNBIND denial of service](https://junglewise.ai/threats/cve-2026-78701-389-directory-server-sasl-unbind-denial-of-service) (medium, CVSS 6.5, published 25 Aug 2026)
- [CVE-2026-19404: 389 Directory Server missing authorization in CleanAllRUV operations](https://junglewise.ai/threats/cve-2026-19404-389-directory-server-missing-authorization-in-cleanallruv) (medium, CVSS 6.5, published 10 Aug 2026)
- [CVE-2026-18651: A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-level bind…](https://junglewise.ai/threats/cve-2026-18651-a-flaw-was-found-in-389-directory-server-during-sasl-plain) (medium, CVSS 5.4, published 3 Aug 2026)
- [CVE-2026-12528: 389 Directory Server heap buffer overflow in ACI parsing](https://junglewise.ai/threats/cve-2026-12528-389-directory-server-heap-buffer-overflow-in-aci-parsing) (medium, CVSS 5.4, published 17 Jun 2026)
- [CVE-2026-11791: 389 Directory Server use-after-free in schema reload](https://junglewise.ai/threats/cve-2026-11791-389-directory-server-use-after-free-in-schema-reload) (medium, CVSS 5, published 18 Jun 2026)
- [CVE-2026-15041: 389 Directory Server timing side-channel in PBKDF2-SHA256 comparison](https://junglewise.ai/threats/cve-2026-15041-389-directory-server-timing-side-channel-in-pbkdf2-sha256) (low, CVSS 3.7, published 8 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 1 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 2 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Redhat technologies

- [Redhat Enterprise Linux](https://junglewise.ai/threats/technologies/enterprise-linux): 50 vulnerabilities
- [Redhat Linux](https://junglewise.ai/threats/technologies/linux): 11 vulnerabilities
- [Redhat Openshift Container Platform](https://junglewise.ai/threats/technologies/openshift-container-platform): 10 vulnerabilities
- [Redhat Hardened Images](https://junglewise.ai/threats/technologies/hardened-images): 8 vulnerabilities
- [Redhat Quay](https://junglewise.ai/threats/technologies/quay): 8 vulnerabilities
- [Redhat Advanced Cluster Management For Kubernetes](https://junglewise.ai/threats/technologies/advanced-cluster-management-for-kubernetes): 7 vulnerabilities
- [Redhat Ansible Automation Platform](https://junglewise.ai/threats/technologies/ansible-automation-platform): 4 vulnerabilities
- [Redhat Insights-Client](https://junglewise.ai/threats/technologies/insights-client): 4 vulnerabilities
- [Redhat Ansible Developer](https://junglewise.ai/threats/technologies/ansible-developer): 3 vulnerabilities
- [Redhat Ansible Inside](https://junglewise.ai/threats/technologies/ansible-inside): 3 vulnerabilities
- [Redhat Enterprise Linux Desktop](https://junglewise.ai/threats/technologies/enterprise-linux-desktop): 3 vulnerabilities
- [Redhat Enterprise Linux Hpc Node](https://junglewise.ai/threats/technologies/enterprise-linux-hpc-node): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Redhat 389 Directory Server vulnerabilities", https://junglewise.ai/threats/technologies/389-directory-server, 9 November 2026.
