CVE-2025-68471
Last modified
CVE-2025-68471 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Avahi | Avahi | < 0.9 | — |
| Avahi | Avahi | 0.9 | Rc1 |
References
- https://github.com/avahi/avahi/issues/678Exploit, Issue Tracking, Patch
- https://github.com/avahi/avahi/security/advisories/GHSA-56rf-42xr-qmmgExploit, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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