VDB

CVE-2025-68468

CVE-2025-68468 PUBLISHED CVSS 6.5 MEDIUM

Avahi has a reachable assertion in lookup_multicast_callback

Reported by github_m · Published January 12, 2026

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
avahiWolfi0.9_rc3-r0
avahiAlpine0.8-r25

Risk scores

CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

VendorProductVersions
avahiavahi<= 0.9-rc2
wolfiavahi0
alpineavahi0
avahiavahi0
chainguardavahi0

Timeline

  • Jan 12, 2026 CVE Published
  • Jan 13, 2026 EPSS Score (30 in total, the first dated here)
  • Jan 20, 2026 PoC Published (4 in total, the first dated here)
  • Mar 26, 2026 Coalition ESS Score (2 in total, the first dated here)
  • Jun 17, 2026 CVE Updated
  • Aug 11, 2026 Distribution Patch (2 in total, the first dated here)
  • Aug 11, 2026 Security Advisory (5 in total, the first dated here)

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vulnetix vdb fixes CVE-2025-68468

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References

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