CVE-2026-9064: 389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext() causes cpu and heap amplification (remote dos)

389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext() causes cpu and heap amplification (remote dos)

F-FREEIPA-389DS-001

Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.

Recorded evidence

7.5high

CVE-2026-9064CVE389ds/389-ds-base

389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext() causes cpu and heap amplification (remote dos)

affected

details

Finding IDs: F-FREEIPA-389DS-001
CVE: CVE-2026-9064
Status: affected
CWE: CWE-770
Recorded credit: Red Hat acknowledgement: Oleh Konko (1seal.org)
Note: 389-ds-base get_ldapmessage_controls_ext() unbounded LDAP controls count; remote unauthenticated CPU and heap amplification DoS.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE registry state: PUBLISHED
CVE state checked: 23 Sep 2026

F-FREEIPA-389DS-001: Resource limits. LDAP control processing permits excessive CPU and memory use. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-FREEIPA-389DS-001

Security area (1seal assessment): Availability. Excessive LDAP control counts amplify CPU work and heap allocation, exhausting directory-service resources. Reviewed 21 Sep 2026.

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How this page groups evidence

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