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CVE-2026-9064

7.5 Élevée

Publiée le 20/05/2026 à 12:16 · Modifiée le 21/08/2026 à 14:16 · Modifiée · Source : secalert@redhat.com

Description

A flaw was found in 389-ds-base. The get_ldapmessage_controls_ext() function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls within the default maximum BER message size (2 MB), causing excessive CPU consumption and heap allocation on the server. Under concurrent exploitation, this leads to significant latency degradation, worker thread starvation, or out-of-memory termination, resulting in a denial of service.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 7.5 Élevée secalert@redhat.com CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1 7.5 Élevée 0b0ca135-0b70-47e7-9f44-1890c2a1c46c CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Faiblesses (CWE)

Références

Ailleurs