FKIE_CVE-2025-68471
Vulnerability from fkie_nvd - Published: 2026-01-12 18:15 - Updated: 2026-06-17 09:59
Severity
Summary
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.
References
| URL | Tags | ||
|---|---|---|---|
| security-advisories@github.com | https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1 | Patch | |
| security-advisories@github.com | https://github.com/avahi/avahi/issues/678 | Exploit, Issue Tracking, Patch | |
| security-advisories@github.com | https://github.com/avahi/avahi/security/advisories/GHSA-56rf-42xr-qmmg | Exploit, Patch, Vendor Advisory |
{
"affected": [
{
"affectedData": [
{
"product": "avahi",
"vendor": "avahi",
"versions": [
{
"status": "affected",
"version": "\u003c= 0.9-rc2"
}
]
}
],
"source": "security-advisories@github.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6481267F-934F-4A0C-9B25-59738E798458",
"versionEndExcluding": "0.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:avahi:avahi:0.9:rc1:*:*:*:*:*:*",
"matchCriteriaId": "76971590-AEED-4CB1-B7B7-45EA8FD11524",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Avahi es un sistema que facilita el descubrimiento de servicios en una red local a trav\u00e9s del conjunto de protocolos mDNS/DNS-SD. En 0.9-rc2 y versiones anteriores, avahi-daemon puede ser colapsado al enviar 2 anuncios no solicitados con registros de recursos CNAME con 2 segundos de diferencia."
}
],
"id": "CVE-2025-68471",
"lastModified": "2026-06-17T09:59:07.097",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"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"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "security-advisories@github.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-68471",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-12T18:42:17.248521Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-01-12T18:15:48.327",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Patch"
],
"url": "https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1"
},
{
"source": "security-advisories@github.com",
"tags": [
"Exploit",
"Issue Tracking",
"Patch"
],
"url": "https://github.com/avahi/avahi/issues/678"
},
{
"source": "security-advisories@github.com",
"tags": [
"Exploit",
"Patch",
"Vendor Advisory"
],
"url": "https://github.com/avahi/avahi/security/advisories/GHSA-56rf-42xr-qmmg"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-617"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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