> CVE-2026-11788 [MEDIUM]

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PUBLISHED
2026-06-09 14:16
MODIFIED
2026-06-09 14:42
CVSS_SCORE V3
5.9
EPSS (Prob. Exploit)
0.56%
Top 54.0%
DATA SOURCES:
NVD 🔗 2026-06-09 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25

> DESCRIPTION

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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EXPLOITABILITY
2.2
IMPACT
3.6

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
High (H)
Conditions spécifiques doivent être réunies pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
None (N)
Aucune divulgation d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
None
Aucune divulgation d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-476

> CWE DETAILED DESCRIPTIONS

CWE-476: NULL Pointer Dereference - The product dereferences a pointer that it expects to be valid but is NULL.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common...
Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important....
Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common...
Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important....
Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common...
Red Hat Security Advisory: 389-ds:1.4 security update
An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On...
Red Hat Security Advisory: 389-ds:1.4 security update
An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On...
Red Hat Security Advisory: 389-ds:1.4 security update
An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Sc...
Red Hat Security Advisory: redhat-ds:11 security update
An update for the redhat-ds:11 module is now available for Red Hat Directory Server 11.9 for RHEL 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common...
Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syst...
Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Sys...
Red Hat Security Advisory: 389-ds:1.4 security update
An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Pro...
Red Hat Security Advisory: redhat-ds:12 security update
An update for the redhat-ds:12 module is now available for Red Hat Directory Server 12.4 E4S for RHEL 9. Red Hat Product Security has rated this update as having a security impact of Important. A Com...
Red Hat Security Advisory: redhat-ds:12 security update
An update for the redhat-ds:12 module is now available for Red Hat Directory Server 12.2 E4S for RHEL 9. Red Hat Product Security has rated this update as having a security impact of Important. A Com...
Red Hat Security Advisory: redhat-ds:11 security update
An update for the redhat-ds:11 module is now available for Red Hat Directory Server 11.7 E4S for RHEL 8. Red Hat Product Security has rated this update as having a security impact of Important. A Com...
Red Hat Security Advisory: redhat-ds:11 security, bug fix, and enhancement update
An update for the redhat-ds:11 module is now available for Red Hat Directory Server 11.5 E4S for RHEL 8. Red Hat Product Security has rated this update as having a security impact of Critical. A Comm...

> HISTORIQUE DES MODIFICATIONS

Première apparition
09/06/2026 14:16
Source: NVD
📊 ENRICHISSEMENT 01/07/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-476: NULL Pointer Dereference - The product dereferences a pointer that it expects to be valid but is NULL.
Total des modifications: 1 Dernière mise à jour: 4 months ago

> REFERENCES

https://access.redhat.com/security/cve/CVE-2026-11788
https://bugzilla.redhat.com/show_bug.cgi?id=2485423
https://redhat.atlassian.net/browse/PSIRTSUPT-7600
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