avahi: Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Netwo...
CVE-2021-3502 is fixed in 26 products on 1 platform, first by avahi-autoipd 0.8-5ubuntu4, released May 7, 2021. It is not reported as exploited. Patch Radar priority: Routine.
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_s_host_name_resolver_start when trying to resolve badly-formatted hostnames (CVE-2021-3502) * avahi: avahi-daemon can be crashed via DBus (CVE-2023-1981) 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 9.3 Release Notes linked from the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| avahi · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-autoipd · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | avahi-autoipd 0.8-5ubuntu4 | May 7, 2021 |
| avahi-compat-howl · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-compat-howl · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-compat-howl · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-compat-howl-devel · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-compat-howl-devel · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-compat-howl-devel · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-compat-libdns_sd · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-compat-libdns_sd · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-compat-libdns_sd · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-compat-libdns_sd-devel · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-compat-libdns_sd-devel · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-compat-libdns_sd-devel · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-daemon · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | avahi-daemon 0.8-5ubuntu4 | May 7, 2021 |
| avahi-devel · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-devel · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-devel · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-discover · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | avahi-discover 0.8-5ubuntu4 | May 7, 2021 |
| avahi-dnsconfd · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | avahi-dnsconfd 0.8-5ubuntu4 | May 7, 2021 |
| avahi-glib · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-glib · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-glib · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-glib-devel · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-glib-devel · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-glib-devel · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-libs · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-libs · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-libs · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-tools · RHEL 9 | 0:0.8-15.el9 | RHSA-2023:6707 | Nov 7, 2023 |
| avahi-tools · almalinux 9 | 0.8-15.el9 | ALSA-2023:6707 | Nov 7, 2023 |
| avahi-tools · ol 9 | 0:0.8-15.el9 | ELSA-2023-6707 | Nov 11, 2023 |
| avahi-ui-utils · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | avahi-ui-utils 0.8-5ubuntu4 | May 7, 2021 |
| avahi-utils · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | avahi-utils 0.8-5ubuntu4 | May 7, 2021 |
| gir1.2-avahi-0.6 · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | gir1.2-avahi-0.6 0.8-5ubuntu4 | May 7, 2021 |
| libavahi-client3 · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | libavahi-client3 0.8-5ubuntu4 | May 7, 2021 |
| libavahi-common-data · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | libavahi-common-data 0.8-5ubuntu4 | May 7, 2021 |
| libavahi-common3 · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | libavahi-common3 0.8-5ubuntu4 | May 7, 2021 |
| libavahi-compat-libdnssd1 · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | libavahi-compat-libdnssd1 0.8-5ubuntu4 | May 7, 2021 |
| libavahi-core7 · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | libavahi-core7 0.8-5ubuntu4 | May 7, 2021 |
| libavahi-glib1 · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | libavahi-glib1 0.8-5ubuntu4 | May 7, 2021 |
| libavahi-gobject0 · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | libavahi-gobject0 0.8-5ubuntu4 | May 7, 2021 |
| libavahi-ui-gtk3-0 · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | libavahi-ui-gtk3-0 0.8-5ubuntu4 | May 7, 2021 |
| python3-avahi · Ubuntu 22.04.1 LTS (jammy) | 0.8-5ubuntu4 | python3-avahi 0.8-5ubuntu4 | May 7, 2021 |
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