CVEvulnerability
CVE-2026-11788
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-06-09
- Last modified
- 2026-10-08
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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 configurations
• redhat directory server 11.0
• redhat directory server 12.0
• redhat directory server 13.0
• redhat 389 directory server
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
• redhat enterprise linux 10.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://access.redhat.com/errata/RHSA-2026:55421 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55422 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55423 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55424 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55425 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55426 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55530 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55532 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55756 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55757 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55758 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55794 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:56047 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:56048 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:56050 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:79217 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-11788 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2485423 Issue Tracking, Vendor Advisory