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CVE-2025-68471

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:589bc21f14e1590f20bb66beedf9021970efb127a8573a08ad5b0fb40617d905
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"avahi","vendor":"avahi","versions":[{"status":"affected","version":"<= 0.9-rc2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:70fdb1a515ad5b69b0f9e37d3706dbb24713b673f2bbe219c5ec0c5956b2f780 · sha256:8072cb37a1c6a109… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:70fdb1a515ad5b69b0f9e37d3706dbb24713b673f2bbe219c5ec0c5956b2f780 · sha256:8072cb37a1c6a109… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-617","description":"CWE-617: Reachable Assertion","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:70fdb1a515ad5b69b0f9e37d3706dbb24713b673f2bbe219c5ec0c5956b2f780 · sha256:8072cb37a1c6a109… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1","tags":["x_refsource_MISC"],"url":"https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:70fdb1a515ad5b69b0f9e37d3706dbb24713b673f2bbe219c5ec0c5956b2f780 · sha256:8072cb37a1c6a109… · /containers/cna/references/2
{"name":"https://github.com/avahi/avahi/issues/678","tags":["x_refsource_MISC"],"url":"https://github.com/avahi/avahi/issues/678"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:70fdb1a515ad5b69b0f9e37d3706dbb24713b673f2bbe219c5ec0c5956b2f780 · sha256:8072cb37a1c6a109… · /containers/cna/references/1
{"name":"https://github.com/avahi/avahi/security/advisories/GHSA-56rf-42xr-qmmg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/avahi/avahi/security/advisories/GHSA-56rf-42xr-qmmg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:70fdb1a515ad5b69b0f9e37d3706dbb24713b673f2bbe219c5ec0c5956b2f780 · sha256:8072cb37a1c6a109… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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