PT-2026-86817 · Opensuse+2 · 389-Ds+29
CVE-2026-18453
·
Published
2026-09-07
·
Updated
2026-09-10
CVSS v3.1
7.5
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
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.
Fix
DoS
NULL Pointer Dereference
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Weakness Enumeration
Related Identifiers
Affected Products
389-Ds
389-Ds-Base
389-Ds-Base-Devel
389-Ds-Base-Libs
389-Ds-Base-Snmp
Red Hat Directory Server 11
Red Hat Directory Server 11.7 E4S For Rhel 8
Red Hat Directory Server 11.9 For Rhel 8
Red Hat Directory Server 12
Red Hat Directory Server 12.2 E4S For Rhel 9
Red Hat Directory Server 12.4 E4S For Rhel 9
Red Hat Directory Server 13
Red Hat Directory Server 13.2
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Red Hat Enterprise Linux 8.8 Update Services For Sap Solutions
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 9.2 Update Services For Sap Solutions
Red Hat Enterprise Linux 9.4 Update Services For Sap Solutions
Red Hat Enterprise Linux 9.6 Extended Update Support
Python3-Lib389