Medium 6.5Published Jan 12, 2026

CVE-2025-68471Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite.

Updated under an hour ago (2026-10-19 10:50 UTC)

Does this affect you?

It affects avahi. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for avahi

Exploited in the last 30 days

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: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-617
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

avahi avahi avahi:avahi	before 0.9; 0.9	NVD

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.