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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 00:50:06Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 16 Views

389-ds-base flaw allows remote DoS by sending many LDAP controls, causing CPU and memory exhaustion.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8x86_64389-ds-base1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-debuginfo1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-debuginfo-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-debugsource1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-debugsource-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-devel1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-devel-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-legacy-tools1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-legacy-tools-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-legacy-tools-debuginfo1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-legacy-tools-debuginfo-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-libs1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-libs-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-libs-debuginfo1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-libs-debuginfo-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-snmp1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-snmp-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
Red Hat Enterprise Linux8x86_64389-ds-base-snmp-debuginfo1.4.3.34-6.module+el8dsrv+24373+7e48d0d8389-ds-base-snmp-debuginfo-1.4.3.34-6.module+el8dsrv+24373+7e48d0d8.x86_64.rpm
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