{
  "cveId": "CVE-2021-3468",
  "url": "https://patchblox.com/security/cve/CVE-2021-3468",
  "summary": "CVE-2021-3468 is fixed in 32 products on 1 platform, first by avahi-autoipd 0.7-3.1ubuntu1.3, released June 2, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "avahi: Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Netwo...",
  "description": "Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Networking. It facilitates service discovery on a local network. Avahi and Avahi-aware applications allow you to plug your computer into a network and, with no configuration, view other people to chat with, view printers to print with, and find shared files on other computers.\n\nSecurity Fix(es):\n\n* avahi: Local DoS by event-busy-loop from writing long lines to /run/avahi-daemon/socket (CVE-2021-3468)\n\n* avahi: Reachable assertion in avahi_dns_packet_append_record (CVE-2023-38469)\n\n* avahi: Reachable assertion in avahi_escape_label (CVE-2023-38470)\n\n* avahi: Reachable assertion in dbus_set_host_name (CVE-2023-38471)\n\n* avahi: Reachable assertion in avahi_rdata_parse (CVE-2023-38472)\n\n* avahi: Reachable assertion in avahi_alternative_host_name (CVE-2023-38473)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2021-06-02T09:15:00Z",
  "severity": "Moderate",
  "cvss": 6.2,
  "epss": 0.00439,
  "epssPercentile": 0.384,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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      "product": "avahi",
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      "fix": "RHSA-2023:7836",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-7836",
      "released": "2023-12-14T00:00:00Z"
    },
    {
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      "product": "avahi",
      "release": "RHEL 9",
      "fixedVersion": "0:0.8-15.el9",
      "fix": "RHSA-2023:6707",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6707",
      "released": "2023-11-07T00:00:00Z"
    },
    {
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      "release": "almalinux 8",
      "fixedVersion": "0.7-21.el8_9.1",
      "fix": "ALSA-2023:7836",
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    {
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      "fix": "ALSA-2023:6707",
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      "release": "rocky 8",
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      "fix": "RLSA-2023:7836",
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      "released": "2024-01-09T04:07:32Z"
    },
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      "released": "2023-12-15T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}