The version of 389-ds-base installed on the remote host is prior to 1.3.10.2-17. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3926 advisory.

    A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search     filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the     search against cn=config with elevated replication plugin privileges and returns a boolean match result,     the attacker can extract sensitive server configuration metadata, including replication bind DNs and     password storage scheme information. (CVE-2026-11770)

    A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base). The     get_ruvelement_from_berval() function in repl5_ruv.c copies digit characters from a network-supplied RUV     berval into a fixed 16-byte stack buffer without bounds checking. A remote unauthenticated attacker can     crash the LDAP server by sending a crafted StartNSDS50ReplicationRequest extended operation containing a     replica ID field with more than 16 digit characters. The overflow occurs during payload decoding, before     any authorization check. Stack protectors limit impact to denial of service. (CVE-2026-15722)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1787336081 advisory.

  - A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search     filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the     search against cn=config with elevated replication plugin privileges and returns a boolean match result,     the attacker can extract sensitive server configuration metadata, including replication bind DNs and     password storage scheme information. (CVE-2026-11770)

  - A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation     failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server     when the system is under memory pressure. (CVE-2026-11788)

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

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1787306784 advisory.

  - A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search     filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the     search against cn=config with elevated replication plugin privileges and returns a boolean match result,     the attacker can extract sensitive server configuration metadata, including replication bind DNs and     password storage scheme information. (CVE-2026-11770)

  - A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation     failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server     when the system is under memory pressure. (CVE-2026-11788)

  - A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base). The     get_ruvelement_from_berval() function in repl5_ruv.c copies digit characters from a network-supplied RUV     berval into a fixed 16-byte stack buffer without bounds checking. A remote unauthenticated attacker can     crash the LDAP server by sending a crafted StartNSDS50ReplicationRequest extended operation containing a     replica ID field with more than 16 digit characters. The overflow occurs during payload decoding, before     any authorization check. Stack protectors limit impact to denial of service. (CVE-2026-15722)

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

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55421 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: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770)

    * 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788)

    * 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via     unbounded replica ID parsing (CVE-2026-15722)

    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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search     filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the     search against cn=config with elevated replication plugin privileges and returns a boolean match result,     the attacker can extract sensitive server configuration metadata, including replication bind DNs and     password storage scheme information. (CVE-2026-11770)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-b16c9cbc0f advisory.

    - Resolves: rhbz#2492927 CVE-2026-11774 389-ds-base: 389-ds-base: integer overflow in SASL packet length     bypasses size limit leading to heap buffer overflow [fedora-all]
    - Resolves: rhbz#2497652 CVE-2026-11610 389-ds-base: 389-ds-base: Heap buffer overflow in sasl_io_recv()     via padded SASL UNBIND [fedora-all]
    - Resolves: rhbz#2511796 CVE-2026-69152 389-ds-base: brace-expansion: Denial of Service via unbounded     intermediate arrays [fedora-all]
    - Resolves: rhbz#2529450 CVE-2026-76560 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI     bind-rule checks via empty bind DN [fedora-all]
    - Resolves: rhbz#2529451 CVE-2026-18453 389-ds-base: 389-ds-base: pre-authentication NULL pointer     dereference via paged results and USE_ONE_BACKEND control in op_shared_search [fedora-all]
    - Resolves: rhbz#2529452 CVE-2026-18355 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-     record length lower-bound underflow in sasl_io_start_packet() [fedora-all]
    - Resolves: rhbz#2494775 CVE-2026-11611 389-ds-base: 389-ds-base: Content Sync plugin unbounded queue     growth and race conditions [fedora-all]
    - Resolves: rhbz#2494825 CVE-2026-11884 389-ds-base: 389-ds-base: heap buffer overflow in schema     objectclass serialization due to missing oc_superior in size calculation [fedora-all]
    - Resolves: rhbz#2494894 CVE-2026-11790 389-ds-base: 389-ds-base: PBKDF2 password storage plugin unbounded     iteration count denial of service [fedora-all]
    - Resolves: rhbz#2494895 CVE-2026-11789 389-ds-base: 389-ds-base: SMD5 password storage plugin salt length     integer underflow crash [fedora-all]
    - Resolves: rhbz#2509729 CVE-2026-11770 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in     CleanAllRUV status check [fedora-all]
    - Resolves: rhbz#2513063 CVE-2026-19404 389-ds-base: 389-ds-base: missing authorization allows anonymous     clients to start or abort CleanAllRUV replication maintenance [fedora-all]
    - Resolves: rhbz#2494827 CVE-2026-11793 389-ds-base: 389-ds-base: stack buffer overflow in checkPrefix()     algorithm ID parsing [fedora-all]
    - Resolves: rhbz#2494830 CVE-2026-11792 389-ds-base: 389-ds-base: heap buffer overflow in audit log     password masking (create_masked_entry_string) [fedora-all]
    - Resolves: rhbz#2498023 CVE-2026-15041 389-ds-base: 389-ds-base: Non-constant-time comparison in     PBKDF2-SHA256 password verification [fedora-all]



Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55426 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: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770)

    * 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788)

    * 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via     unbounded replica ID parsing (CVE-2026-15722)

    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.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55756 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: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770)

    * 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788)

    * 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via     unbounded replica ID parsing (CVE-2026-15722)

    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.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55530 advisory.

    - Resolves: RHEL-183073 - EMBARGOED CVE-2026-11770 389-ds-base: 389-ds-base: pre-auth LDAP filter     injection in CleanAllRUV status check [rhel-8.10.z]
    - Resolves: RHEL-190782 - CVE-2026-11788 389-ds-base: 389-ds-base: NULL pointer dereference in deref     control plugin BER parser [rhel-8.10.z]
    - Resolves: RHEL-210880 - EMBARGOED CVE-2026-15722 389-ds:1.4/389-ds-base: 389-ds-base: pre-authentication     stack buffer overflow in get_ruvelement_from_berval() via unbounded replica ID parsing [rhel-8.10.z]
    - Resolves: RHEL-182162 - EMBARGOED CVE-2026-11610 389-ds-base: 389-ds-base: Heap buffer overflow in     sasl_io_recv() via padded SASL UNBIND [rhel-8.10.z]
    - Resolves: RHEL-183102 - CVE-2026-11774 389-ds-base: 389-ds-base: integer overflow in SASL packet length     bypasses size limit
    - Resolves: RHEL-178076 - CVE-2026-9064 389-ds:1.4/389-ds-base: unbounded LDAP controls count in     get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS) [rhel-8.10.z]
    - Resolves: RHEL-137074 - CVE-2025-14905 389-ds:1.4/389-ds-base: 389-ds-base: Remote Code Execution and     Denial of Service via heap buffer overflow [rhel-8.10.z]

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55424 advisory.

    - Resolves: RHEL-183075 - CVE-2026-11770 389-ds-base: 389-ds-base: pre-auth       LDAP filter injection in CleanAllRUV status check [rhel-10.2.z]
    - Resolves: RHEL-190776 - CVE-2026-11788 389-ds-base: 389-ds-base: NULL       pointer dereference in deref control plugin BER parser [rhel-10.2.z]

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:56050 advisory.

    Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the     Lightweight Directory Access Protocol (LDAP) server, as well as command-line utilities and Web UI packages     for server administration.

    Security Fix(es):

    * 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770)

    * 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788)

    * 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via     unbounded replica ID parsing (CVE-2026-15722)

    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.

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_55424 advisory.

    * 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770)

    * 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788)

    * 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via     unbounded replica ID parsing (CVE-2026-15722)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

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

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_55530 advisory.

    * 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770)

    * 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788)

    * 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via     unbounded replica ID parsing (CVE-2026-15722)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:79217 advisory.

    Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the     Lightweight Directory Access Protocol (LDAP) server, as well as command-line utilities and Web UI packages     for server administration.

    Security Fix(es):

    * 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770)

    * 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788)

    * 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via     unbounded replica ID parsing (CVE-2026-15722)

    * 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-base: Command injection via unescaped LDAP DN in Cockpit 389 Console LDAP editor     (CVE-2026-19843)

    * 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     [dirsrv-11.5.cc] (JIRA:DIRSRV-897)

    * lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [dirsrv-11.5.cc] (JIRA:DIRSRV-902)

    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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
351019	Amazon Linux 2 : 389-ds-base (ALAS-2026-3926)	Nessus	Amazon Linux Local Security Checks	2026/9/29	2026/9/29	high
352572	AlmaLinux 9.2 [TuxCare] Security Update: 389-ds-base / 389-ds-base-devel / 389-ds-base-libs / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1787336081)	Nessus	Alma Linux Local Security Checks	2026/9/30	2026/9/30	high
360269	AlmaLinux 9.6 [TuxCare] Security Update: 389-ds-base / 389-ds-base-devel / 389-ds-base-libs / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1787306784)	Nessus	Alma Linux Local Security Checks	2026/10/1	2026/10/1	high
335925	RHEL 9 : 389-ds-base (RHSA-2026:55421)	Nessus	Red Hat Local Security Checks	2026/8/17	2026/8/17	high
331399	Linux Distros Unpatched Vulnerability : CVE-2026-11770	Nessus	Misc.	2026/7/31	2026/11/5	high
350086	Fedora 44 : 389-ds-base (2026-b16c9cbc0f)	Nessus	Fedora Local Security Checks	2026/9/25	2026/9/25	medium
335929	RHEL 9 : 389-ds-base (RHSA-2026:55426)	Nessus	Red Hat Local Security Checks	2026/8/17	2026/8/17	high
335996	RHEL 8 : 389-ds:1.4 (RHSA-2026:55756)	Nessus	Red Hat Local Security Checks	2026/8/17	2026/8/17	high
336005	Oracle Linux 8 : 389-ds:1.4 (ELSA-2026-55530)	Nessus	Oracle Linux Local Security Checks	2026/8/17	2026/8/17	high
336007	Oracle Linux 10 : 389-ds-base (ELSA-2026-55424)	Nessus	Oracle Linux Local Security Checks	2026/8/17	2026/8/17	high
337669	RHEL 9 : redhat-ds:12 (RHSA-2026:56050)	Nessus	Red Hat Local Security Checks	2026/8/18	2026/8/18	high
353803	Rocky Linux 10.2 [CIQ] Security Update: 389-ds-base / 389-ds-base-bdb / 389-ds-base-bdb-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_55424)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/1	high
356695	Rocky Linux 8 [CIQ] Security Update: 389-ds-base / 389-ds-base-debuginfo / 389-ds-base-debugsource / etc Multiple Vulnerabilities (crlsa-2026_55530)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/1	high
364211	RHEL 8 : redhat-ds:11 (RHSA-2026:79217)	Nessus	Red Hat Local Security Checks	2026/10/8	2026/10/8	high

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