CVE-2025-68471

Name: CVE-2025-68471
Creator: NVD / NIST
Published: 2026-01-12T18:15:48.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.35%

Last modified Jun 17, 2026

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

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.35%

27.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions	Update
Avahi	Avahi	< 0.9	—
Avahi	Avahi	0.9	Rc1

References

https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1Patch
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: Jan 12, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-68471?

How severe is CVE-2025-68471?

CVE-2025-68471 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2025-68471?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-68471?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST