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    CVE-2025-68468

    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 crashes.

    Published:Jan 12, 2026
    Last Modified:Jan 16, 2026
    EPS:Jan 12, 2026
    EPSS Score:0.00032
    CVSS Score:6.5

    Affected Products

    Vendor
    Avahi
    Product
    Avahi

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-34933 (CVSS 5.5) — Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. P…
    CVE-2026-24401 (CVSS 6.5) — Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. I…
    CVE-2025-68471 (CVSS 6.5) — Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. I…
    CVE-2025-68276 (CVSS 5.5) — Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. I…
    CVE-2025-59529 (CVSS 5.5) — Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. I…
    CVE-2023-38471 (CVSS 6.2) — A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.…
    CVE-2023-38472 (CVSS 6.2) — A vulnerability was found in Avahi. A reachable assertion exists in the avahi_rdata_parse() function.…
    CVE-2023-38469 (CVSS 6.2) — A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.…
    CVE-2023-38470 (CVSS 6.2) — A vulnerability was found in Avahi. A reachable assertion exists in the avahi_escape_label() function.…
    CVE-2023-38473 (CVSS 6.2) — A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name() function…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High