CVE-2025-68468

MEDIUM EPSS 24.9%
Published Jan 12, 20265mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Jan 12, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

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 unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they expire avahi-daemon crashes.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
24.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-617

Affected Products 2

VendorProductVersionRange
avahiavahi* <0.9
avahiavahi0.9any

References 3

  • github.com https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a
    Patch
  • github.com https://github.com/avahi/avahi/issues/683
    Issue TrackingPatch
  • github.com https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52
    Vendor Advisory

Remediation

  • github.com https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a
    Patch
  • github.com https://github.com/avahi/avahi/issues/683
    Issue TrackingPatch