Reachable assertion in avahi_alternative_host_name

{
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  "url": "https://www.cve.org/CVERecord?id=CVE-2023-38473",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Reachable assertion in avahi_alternative_host_name",
    "summary": "A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name() function.",
    "evidence": "cve:CVE-2023-38473",
    "products": [
      {
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          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
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        "affected_versions": []
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          "evidence": "/containers/cna/affected/1/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Red Hat Enterprise Linux 7",
          "evidence": "/containers/cna/affected/2/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/containers/cna/affected/3/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Red Hat Enterprise Linux 9",
          "evidence": "/containers/cna/affected/4/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/containers/cna/affected/5/product"
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        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-38473",
      "aliases": [
        "CVE-2023-38473"
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      "metrics": [
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            "type": "Red Hat severity rating",
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              "namespace": "https://access.redhat.com/security/updates/classification/"
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          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 6.2,
            "attackVector": "LOCAL",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "integrityImpact": "NONE",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "NONE"
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      ],
      "affected": [
        {
          "vendor": "avahi",
          "product": "avahi",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "0.9-rc1",
              "versionType": "semver"
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          "packageName": "avahi",
          "collectionURL": "https://github.com/avahi/avahi",
          "defaultStatus": "unaffected"
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            "cpe:/o:redhat:enterprise_linux:6"
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          "cpes": [
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          "product": "Red Hat Enterprise Linux 8",
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          "cpes": [
            "cpe:/o:redhat:enterprise_linux:9"
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          "product": "Red Hat Enterprise Linux 9",
          "packageName": "avahi",
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          "defaultStatus": "affected"
        },
        {
          "vendor": "Fedora",
          "product": "Fedora",
          "packageName": "avahi",
          "collectionURL": "https://packages.fedoraproject.org/",
          "defaultStatus": "affected"
        }
      ],
      "modified": "2026-10-28T16:48:41.153Z",
      "provider": "cve",
      "references": [
        "https://access.redhat.com/security/cve/CVE-2023-38473",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2191694"
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                "name": "RHBZ#2191694",
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                "url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00011.html"
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            "title": "CISA ADP Vulnrichment",
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                    "options": [
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                        "Exploitation": "none"
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    "related_cves": [
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        "value": "CVE-2023-38473",
        "evidence": "/cveMetadata/cveId"
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    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 461099,
  "published_at": "2023-11-02T15:00:19.576+00:00"
}