The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:64771 advisory.

    389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the     Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.

    Security Fix(es):

    * 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in     sasl_io_start_packet() (CVE-2026-18355)

    * 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and     USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)

    * 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via     stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)

    * 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN     (CVE-2026-76560)

    Bug Fix(es) and Enhancement(s):

    * fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation     [rhel-7.9.z] (JIRA:RHEL-248758)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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RHEL 7 : 389-ds-base (RHSA-2026:64771)

critical Nessus Plugin ID 343752

Version 1.2

Version 1.1

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