CVE-2025-68471mediumCWE-617

CVE-2025-68471: medium-severity vulnerability in avahi

Avahi has a reachable assertion in lookup_start

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.4%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
avahi · avahi
Related CVEs — avahi

In the same product, most dangerous first.

CVE-2024-52616MEDIUMAvahi: avahi wide-area dns predictable transaction idsEPSS 0.7%CVE-2024-52615MEDIUMAvahi: avahi wide-area dns uses constant source portEPSS 0.6%CVE-2025-68468MEDIUMAvahi has a reachable assertion in lookup_multicast_callbackEPSS 0.4%CVE-2026-24401MEDIUMAvahi has Uncontrolled Recursion in lookup_handle_cname functionEPSS 0.4%CVE-2023-38471MEDIUMReachable assertion in dbus_set_host_nameEPSS 0.3%CVE-2023-38473MEDIUMReachable assertion in avahi_alternative_host_nameEPSS 0.3%