Avahi

16 CVEs across 2 Avahi products. Browse Avahi vulnerabilities, severities, and proof-of-concept exploits.

Avahi products with known CVEs

ProductCVEs
Avahi24
Avahi-Daemon1
Avahi CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-34933Medium5.52026-04-03Avahi 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 u…
CVE-2026-24401Medium6.52026-01-24Avahi 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…
CVE-2025-68471Medium6.52026-01-12Avahi 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 crashe…
CVE-2025-68468Medium6.52026-01-12Avahi 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 crashe…
CVE-2025-68276Medium5.52026-01-12Avahi 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 user…
CVE-2025-59529Medium5.52025-12-18Avahi 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-rc2, the simpl…
CVE-2023-38473Medium6.22023-11-02A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name() function.
CVE-2023-38472Medium6.22023-11-02A vulnerability was found in Avahi. A reachable assertion exists in the avahi_rdata_parse() function.
CVE-2023-38471Medium6.22023-11-02A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.
CVE-2023-38470Medium6.22023-11-02A vulnerability was found in Avahi. A reachable assertion exists in the avahi_escape_label() function.
CVE-2023-38469Medium6.22023-11-02A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.
CVE-2023-1981Medium5.52023-05-26A 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-2021-3468Medium5.52021-06-02A 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 correctl…
CVE-2021-3502Medium5.52021-05-07A 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 ser…
CVE-2021-26720High7.82021-02-17avahi-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 c…
CVE-2017-6519Critical9.12017-05-01avahi-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 att…
CVE-2011-10022011-02-22avahi-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 (…
CVE-2010-22442010-07-08The 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 f…
CVE-2009-07582009-03-03The originates_from_local_legacy_unicast_socket function in avahi-core/server.c in avahi-daemon 0.6.23 does not account for the network byte order of a port nu…
CVE-2008-50812008-12-17The 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…
CVE-2007-33722007-06-22The 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.
CVE-2006-68702006-12-31The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compr…
CVE-2006-54612006-11-14Avahi before 0.6.15 does not verify the sender identity of netlink messages to ensure that they come from the kernel instead of another process, which allows l…
CVE-2006-22892006-05-10Buffer overflow in avahi-core in Avahi before 0.6.10 allows local users to execute arbitrary code via unknown vectors.
CVE-2006-22882006-05-10Avahi before 0.6.10 allows local users to cause a denial of service (mDNS/DNS-SD service disconnect) via unspecified mDNS name conflicts.