According to the versions of the avahi package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.
    (CVE-2023-38469)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_escape_label() function.
    (CVE-2023-38470)

  - A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.
    (CVE-2023-38471)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_rdata_parse() function.
    (CVE-2023-38472)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name()     function. (CVE-2023-38473)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the avahi package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.
    (CVE-2023-38469)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_escape_label() function.
    (CVE-2023-38470)

  - A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.
    (CVE-2023-38471)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_rdata_parse() function.
    (CVE-2023-38472)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name()     function. (CVE-2023-38473)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The version of avahi installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-38473 advisory.

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name()     function. (CVE-2023-38473)

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

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0017 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2023-38473:
    A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.

    CVE-2023-38469:
    A vulnerability was found in Avahi. A reachable assertion exists in the avahi_escape_label() function.

    CVE-2023-38472:
    A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.

    CVE-2023-38471:
    A vulnerability was found in Avahi. A reachable assertion exists in the avahi_rdata_parse() function.

    CVE-2023-38470:
    A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name()     function.

Tenable has extracted the preceding description block directly from the Tencent 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-2023:7836 advisory.

    Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero     Configuration Networking. It facilitates service discovery on a local network. Avahi and Avahi-aware     applications allow you to plug your computer into a network and, with no configuration, view other people     to chat with, view printers to print with, and find shared files on other computers.

    Security Fix(es):

    * avahi: Local DoS by event-busy-loop from writing long lines to /run/avahi-daemon/socket (CVE-2021-3468)

    * avahi: Reachable assertion in avahi_dns_packet_append_record (CVE-2023-38469)

    * avahi: Reachable assertion in avahi_escape_label (CVE-2023-38470)

    * avahi: Reachable assertion in dbus_set_host_name (CVE-2023-38471)

    * avahi: Reachable assertion in avahi_rdata_parse (CVE-2023-38472)

    * avahi: Reachable assertion in avahi_alternative_host_name (CVE-2023-38473)

    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 CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2023:7836 advisory.

  - A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the     client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing     a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the     availability of the avahi service, which becomes unresponsive after this flaw is triggered.
    (CVE-2021-3468)

  - A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.
    (CVE-2023-38469)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_escape_label() function.
    (CVE-2023-38470)

  - A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.
    (CVE-2023-38471)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_rdata_parse() function.
    (CVE-2023-38472)

  - A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name()     function. (CVE-2023-38473)

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

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7355:01 advisory.

    * avahi: Local DoS by event-busy-loop from writing long lines to /run/avahi-daemon/socket (CVE-2021-3468)
      * avahi: Reachable assertion in avahi_dns_packet_append_record (CVE-2023-38469)
      * avahi: Reachable assertion in avahi_escape_label (CVE-2023-38470)
      * avahi: Reachable assertion in dbus_set_host_name (CVE-2023-38471)
      * avahi: Reachable assertion in avahi_rdata_parse (CVE-2023-38472)
      * avahi: Reachable assertion in avahi_alternative_host_name (CVE-2023-38473)

Tenable has extracted the preceding description block directly from the MiracleLinux 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 8.8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_0335 advisory.

    This advisory aggregates security fixes for the avahi SRPM in CIQ LTS 8.8. It addresses 7 CVEs:
    CVE-2021-3468, CVE-2023-38470, CVE-2023-1981, CVE-2023-38469, CVE-2023-38471, and 2 more.

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 Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3990 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-3990-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                          Adrian Bunk     December 09, 2024                             https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : avahi     Version        : 0.8-5+deb11u3     CVE ID         : CVE-2023-1981 CVE-2023-38469 CVE-2023-38470 CVE-2023-38471                      CVE-2023-38472 CVE-2023-38473     Debian Bug     : 1034594 1054876 1054877 1054878 1054879 1054880

    Multiple vulnerabilities have been fixed in the service discovery system Avahi.

    CVE-2023-1981

        avahi-daemon can be crashed via DBus

    CVE-2023-38469

        Reachable assertion in avahi_dns_packet_append_record

    CVE-2023-38470

        Reachable assertion in avahi_escape_label

    CVE-2023-38471

        Reachable assertion in dbus_set_host_name

    CVE-2023-38472

        Reachable assertion in avahi_rdata_parse

    CVE-2023-38473

        Reachable assertion in avahi_alternative_host_name

    For Debian 11 bullseye, these problems have been fixed in version     0.8-5+deb11u3.

    We recommend that you upgrade your avahi packages.

    For the detailed security status of avahi please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/avahi

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian 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	名前	製品	ファミリー	公開日	更新日	深刻度
189037	EulerOS 2.0 SP10 : avahi (EulerOS-SA-2024-1053)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
192356	EulerOS Virtualization 2.11.0 : avahi (EulerOS-SA-2024-1438)	Nessus	Huawei Local Security Checks	2024/3/21	2024/3/21	medium
213407	CBL Mariner 2.0 Security Update: avahi (CVE-2023-38473)	Nessus	MarinerOS Local Security Checks	2024/12/27	2024/12/27	medium
276187	TencentOS Server 4: avahi (TSSA-2025:0017)	Nessus	Tencent Local Security Checks	2025/11/20	2025/11/20	medium
186930	RHEL 8 : avahi (RHSA-2023:7836)	Nessus	Red Hat Local Security Checks	2023/12/15	2024/11/7	medium
187732	CentOS 8 : avahi (CESA-2023:7836)	Nessus	CentOS Local Security Checks	2024/1/9	2024/2/8	medium
293493	MiracleLinux 8 : avahi-0.7-21.el8_9.1 (AXSA:2024-7355:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	medium
357275	Rocky Linux 8.8 [CIQ] Security Update: avahi / avahi-autoipd / avahi-autoipd-debuginfo / avahi-compat-howl / etc Multiple Vulnerabilities (ciqsa-2026_0335)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/12	medium
212178	Debian dla-3990 : avahi-autoipd - security update	Nessus	Debian Local Security Checks	2024/12/9	2024/12/9	medium

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