VDB
CVE-2026-11788
CVE-2026-11788
PUBLISHED
CVSS 5.9 MEDIUM
Reported by redhat · Published June 9, 2026
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.
Risk Scores
CVSS 3.1
5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Directory Server 11.5 E4S for RHEL 8 | 8060020260908152739.0ca98e7e |
| Red Hat | Red Hat Directory Server 11.7 E4S for RHEL 8 | 8080020260806114250.f969626e |
| Red Hat | Red Hat Directory Server 11.9 for RHEL 8 | 8100020260803140625.37ed7c03 |
| Red Hat | Red Hat Directory Server 12.2 E4S for RHEL 9 | 9020020260730155601.1674d574 |
| Red Hat | Red Hat Directory Server 12.4 E4S for RHEL 9 | 9040020260810131422.1674d574 |
| Red Hat | Red Hat Enterprise Linux 10 | 0:3.2.0-9.el10_2 |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | 0:3.0.6-20.el10_0 |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | 0:1.3.11.1-14.el7_9 |
| Red Hat | Red Hat Enterprise Linux 8 | 8100020260806150504.25e700aa |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 8040020260803141511.96015a92 |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 8040020260803141511.96015a92 |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 8060020260806120442.824efc52 |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | 8060020260806120442.824efc52 |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 8080020260806114228.6dbb3803 |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 8080020260806114228.6dbb3803 |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.8.0-9.el9_8 |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:2.2.4-20.el9_2 |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | 0:2.4.5-27.el9_4 |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | 0:2.6.1-23.el9_6 |
| Red Hat | Red Hat Directory Server 12 |
…and 27 more
Timeline
- Jun 9, 2026 CVE Published
- Jun 10, 2026 Coalition ESS Score
- Jun 11, 2026 Security Advisory
- Aug 7, 2026 EPSS Score
- Aug 17, 2026 Distribution Patch
- Aug 17, 2026 Security Advisory
- Aug 17, 2026 Distribution Patch
- Aug 17, 2026 Security Advisory
- Aug 17, 2026 Distribution Patch
- Aug 17, 2026 Security Advisory
- Aug 17, 2026 Distribution Patch
- Aug 17, 2026 Security Advisory
References
- RHSA-2026:55421 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55422 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55423 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55424 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55425 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55426 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55530 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55532 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55756 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55757 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55758 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:55794 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:56047 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:56048 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:56050 vendor-advisoryx_refsource_REDHAT
- RHSA-2026:79217 vendor-advisoryx_refsource_REDHAT
- vdb-entryx_refsource_REDHAT
- RHBZ#2485423 issue-trackingx_refsource_REDHAT
- https://redhat.atlassian.net/browse/PSIRTSUPT-7600 url