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389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)

🗓️ 17 Jun 2026 14:19:44Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Unbounded controls in get_ldapmessage_controls_ext enable remote DoS by exhausting CPU and memory.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9x86_64389-ds-base0:2.4.5-23.module+el9dsrv+24381+1cd2f394389-ds-base-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.x86_64.rpm
Red Hat Enterprise Linux9x86_64389-ds-base-debuginfo0:2.4.5-23.module+el9dsrv+24381+1cd2f394389-ds-base-debuginfo-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.x86_64.rpm
Red Hat Enterprise Linux9x86_64389-ds-base-debugsource0:2.4.5-23.module+el9dsrv+24381+1cd2f394389-ds-base-debugsource-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.x86_64.rpm
Red Hat Enterprise Linux9x86_64389-ds-base-devel0:2.4.5-23.module+el9dsrv+24381+1cd2f394389-ds-base-devel-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.x86_64.rpm
Red Hat Enterprise Linux9x86_64389-ds-base-libs0:2.4.5-23.module+el9dsrv+24381+1cd2f394389-ds-base-libs-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.x86_64.rpm
Red Hat Enterprise Linux9x86_64389-ds-base-libs-debuginfo0:2.4.5-23.module+el9dsrv+24381+1cd2f394389-ds-base-libs-debuginfo-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.x86_64.rpm
Red Hat Enterprise Linux9x86_64389-ds-base-snmp0:2.4.5-23.module+el9dsrv+24381+1cd2f394389-ds-base-snmp-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.x86_64.rpm
Red Hat Enterprise Linux9x86_64389-ds-base-snmp-debuginfo0:2.4.5-23.module+el9dsrv+24381+1cd2f394389-ds-base-snmp-debuginfo-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.x86_64.rpm
Red Hat Enterprise Linux9noarchcockpit-389-ds0:2.4.5-23.module+el9dsrv+24381+1cd2f394cockpit-389-ds-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.noarch.rpm
Red Hat Enterprise Linux9noarchpython3-lib3890:2.4.5-23.module+el9dsrv+24381+1cd2f394python3-lib389-0:2.4.5-23.module+el9dsrv+24381+1cd2f394.noarch.rpm
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30 Jun 2026 10:14Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.5
EPSS0.00815
SSVC
7