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 version of avahi installed on the remote host is prior to 0.6.31-20. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2175 advisory.

    A reachable assertion was found in avahi_dns_packet_append_record. (CVE-2023-38469)

    A reachable assertion was found in avahi_escape_label. (CVE-2023-38470)

    A reachable assertion was found in dbus_set_host_name. (CVE-2023-38471)

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.

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 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 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 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 remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2433 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: 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.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes     linked from 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 SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2200-1 advisory.

    - CVE-2023-38471: Fixed a reachable assertion in dbus_set_host_name. (bsc#1216594)
    - CVE-2023-38469: Fixed a reachable assertion in avahi_dns_packet_append_record. (bsc#1216598)

Tenable has extracted the preceding description block directly from the SUSE 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-2024:0576 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 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-2023-38469 advisory.

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

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

The remote NewStart CGSL host, running version MAIN 7.02, has avahi packages installed that are affected by multiple vulnerabilities:

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

  - 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 the avahi library. This flaw allows an unprivileged user to make a dbus call,     causing the avahi daemon to crash. (CVE-2023-1981)

  - 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)

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 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_0826 advisory.

    This advisory aggregates security fixes for the avahi SRPM in CIQ LTS 8.6. It addresses 7 CVEs:
    CVE-2021-3468, CVE-2023-38470, CVE-2023-38469, CVE-2023-38471, CVE-2023-38472, 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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
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
179768	Amazon Linux 2 : avahi (ALAS-2023-2175)	Nessus	Amazon Linux Local Security Checks	2023/8/14	2024/12/11	medium
188889	EulerOS 2.0 SP10 : avahi (EulerOS-SA-2024-1077)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
189697	EulerOS 2.0 SP11 : avahi (EulerOS-SA-2024-1101)	Nessus	Huawei Local Security Checks	2024/1/26	2024/1/26	medium
190270	EulerOS 2.0 SP9 : avahi (EulerOS-SA-2024-1171)	Nessus	Huawei Local Security Checks	2024/2/8	2024/2/8	medium
190277	EulerOS 2.0 SP9 : avahi (EulerOS-SA-2024-1191)	Nessus	Huawei Local Security Checks	2024/2/8	2024/2/8	medium
192434	EulerOS Virtualization 2.9.1 : avahi (EulerOS-SA-2024-1451)	Nessus	Huawei Local Security Checks	2024/3/21	2024/3/21	medium
194757	RHEL 9 : avahi (RHSA-2024:2433)	Nessus	Red Hat Local Security Checks	2024/4/30	2024/11/7	medium
201013	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : avahi (SUSE-SU-2024:2200-1)	Nessus	SuSE Local Security Checks	2024/6/26	2024/6/26	medium
189795	RHEL 8 : avahi (RHSA-2024:0576)	Nessus	Red Hat Local Security Checks	2024/1/30	2024/11/7	medium
213405	CBL Mariner 2.0 Security Update: avahi (CVE-2023-38469)	Nessus	MarinerOS Local Security Checks	2024/12/27	2024/12/27	medium
242766	NewStart CGSL MAIN 7.02 : avahi Multiple Vulnerabilities (NS-SA-2025-0174)	Nessus	NewStart CGSL Local Security Checks	2025/7/25	2025/7/25	medium
356533	Rocky Linux 8.6 [CIQ] Security Update: avahi / avahi-autoipd / avahi-autoipd-debuginfo / avahi-compat-howl / etc Multiple Vulnerabilities (ciqsa-2026_0826)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/12	medium

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