| CVE-2026-34933 | TRUNG BÌNH5.5 | Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. Prior to version 0.9-rc4, any unprivileged local user can crash avahi-daemon by sending a single D-Bus method call with conflicting publish flags. This issue has been patched in version 0.9-rc4. | 03/04/2026 |
| CVE-2026-24401 | TRUNG BÌNH6.5 | Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonical name point to the sam | 24/01/2026 |
| CVE-2025-68471 | TRUNG BÌNH6.5 | Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart. | 12/01/2026 |
| CVE-2025-68468 | TRUNG BÌNH6.5 | Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they expire avahi-daemon cra | 12/01/2026 |
| CVE-2025-68276 | TRUNG BÌNH5.5 | Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, an unprivileged local users can crash avahi-daemon (with wide-area disabled) by creating record browsers with the AVAHI_LOOKUP_USE_WIDE_AREA flag set via D-Bus. This can be done by either | 12/01/2026 |
| CVE-2025-59529 | TRUNG BÌNH5.5 | Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions up to and including 0.9-rc5, the simple protocol server ignores the documented client limit and accepts unlimited connections, allowing for easy local DoS. Although `CLIENTS_MAX` is defined, `server_ | 18/12/2025 |
| CVE-2023-38473 | TRUNG BÌNH5.5 | A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name() function. | 02/11/2023 |
| CVE-2023-38472 | TRUNG BÌNH5.5 | A vulnerability was found in Avahi. A reachable assertion exists in the avahi_rdata_parse() function. | 02/11/2023 |
| CVE-2023-38471 | TRUNG BÌNH5.5 | A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function. | 02/11/2023 |
| CVE-2023-38470 | TRUNG BÌNH5.5 | A vulnerability was found in Avahi. A reachable assertion exists in the avahi_escape_label() function. | 02/11/2023 |
| CVE-2023-38469 | TRUNG BÌNH5.5 | A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record. | 02/11/2023 |
| CVE-2023-1981 | TRUNG BÌNH5.5 | 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. | 26/05/2023 |
| CVE-2021-3468 | TRUNG BÌNH5.5 | 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 o | 02/06/2021 |
| CVE-2021-3502 | TRUNG BÌNH5.5 | A flaw was found in avahi 0.8-5. A reachable assertion is present in avahi_s_host_name_resolver_start function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames. The highest threat from this vulnerability is to the serv | 07/05/2021 |
| CVE-2021-26720 | CAO7.8 | avahi-daemon-check-dns.sh in the Debian avahi package through 0.8-4 is executed as root via /etc/network/if-up.d/avahi-daemon, and allows a local attacker to cause a denial of service or create arbitrary empty files via a symlink attack on files under /run/avahi-daemon. NOTE: this only affects the packaging for Debian | 17/02/2021 |
| CVE-2017-6519 | NGHIÊM TRỌNG9.1 | avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic amplification) and may cause information leakage by obtaining potentially sensitive information from the responding | 01/05/2017 |
| CVE-2011-1002 | TRUNG BÌNH5.0 | avahi-core/socket.c in avahi-daemon in Avahi before 0.6.29 allows remote attackers to cause a denial of service (infinite loop) via an empty mDNS (1) IPv4 or (2) IPv6 UDP packet to port 5353. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-2244. | 22/02/2011 |
| CVE-2010-2244 | TRUNG BÌNH4.3 | The AvahiDnsPacket function in avahi-core/socket.c in avahi-daemon in Avahi 0.6.16 and 0.6.25 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a DNS packet with an invalid checksum followed by a DNS packet with a valid checksum, a different vulnerability than CVE-2008-5081. | 08/07/2010 |
| CVE-2008-5081 | TRUNG BÌNH5.0 | The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure. | 17/12/2008 |
| CVE-2007-3372 | THẤP2.1 | The Avahi daemon in Avahi before 0.6.20 allows attackers to cause a denial of service (exit) via empty TXT data over D-Bus, which triggers an assert error. | 22/06/2007 |