{
  "cveId": "CVE-2021-4185",
  "url": "https://patchblox.com/security/cve/CVE-2021-4185",
  "summary": "CVE-2021-4185 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2021-4185, released December 30, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "wireshark: Infinite loop in the RTMPT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injec...",
  "description": "Infinite loop in the RTMPT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file",
  "published": "2021-12-30T14:15:00Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.04056,
  "epssPercentile": 0.90716,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libwireshark-data",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "libwireshark-data 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwireshark-data-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwireshark11",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "libwireshark11 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwireshark11-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwiretap8",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "libwiretap8 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwiretap8-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwscodecs2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "libwscodecs2 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwscodecs2-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwsutil9",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "libwsutil9 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwsutil9-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tshark",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "tshark 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-tshark-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.6.2-1",
      "fix": "DEBIAN-CVE-2021-4185",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4185",
      "released": "2021-12-30T22:15:10Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.6.2-1",
      "fix": "DEBIAN-CVE-2021-4185",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4185",
      "released": "2021-12-30T22:15:10Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "Debian 14",
      "fixedVersion": "3.6.2-1",
      "fix": "DEBIAN-CVE-2021-4185",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4185",
      "released": "2021-12-30T22:15:10Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "wireshark 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wireshark-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "amzn 2023",
      "fixedVersion": "1:4.0.2-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-038",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-038",
      "released": "2023-02-17T20:44:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:4.0.2-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-038",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-038",
      "released": "2023-02-17T20:44:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "wireshark-common 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wireshark-common-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1:4.0.2-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-038",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-038",
      "released": "2023-02-17T20:44:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:4.0.2-1.amzn2023.0.2",
      "fix": "ALAS2023-2023-038",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-038",
      "released": "2023-02-17T20:44:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-gtk",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "wireshark-gtk 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wireshark-gtk-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-qt",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm2",
      "fix": "wireshark-qt 2.6.10-1~ubuntu18.04.0\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wireshark-qt-2.6.10-1-ubuntu18.04.0-esm2",
      "released": "2022-02-14T14:15:00Z"
    }
  ],
  "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"
  }
}