ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-68471

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

Published Jan 12, 2026 · catalog updated Jan 12, 2026 · Avahi is a system

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-68471. EPSS is 0.40%. Act only if a listed version of Avahi is a system is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Avahi is a system).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.40%
Remediation
Advisory link
Affected products
vendor avahi avahi ≤ 0.9-rc2

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor avahi avahi ≤ 0.9-rc2≤ 0.9-rc2

How to fix CVE-2025-68471

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-68471. EPSS is 0.40%. Act only if a listed version of Avahi is a system is installed.

Which versions are affected?

Compare what you have installed with avahi avahi ≤ 0.9-rc2 ≤ 0.9-rc2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.40%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 12, 2026 · EUVD

    Detected

    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.

  2. Jan 12, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-68471

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-68471

    30-day exploitation probability 0.40%

    first.org
  • EUVDVulnerability recordEUVD-2025-206278

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgOct 30, 2026
  • EUVDOct 30, 2026