{
  "cveId": "CVE-2020-25862",
  "url": "https://patchblox.com/security/cve/CVE-2020-25862",
  "summary": "CVE-2020-25862 is fixed in 13 products on 1 platform, first by libwireshark-data 2.6.10-1~ubuntu18.04.0\u002Besm1, released October 6, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libwireshark11: In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash",
  "description": "In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.",
  "published": "2020-10-06T08:15:00Z",
  "severity": "Medium",
  "epss": 0.02353,
  "epssPercentile": 0.83821,
  "priority": "Routine",
  "priorityTier": 4,
  "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\u002Besm1",
      "fix": "libwireshark-data 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwireshark-data-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwireshark-data",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "libwireshark-data 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwireshark-data-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwireshark11",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "libwireshark11 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwireshark11-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwireshark13",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "libwireshark13 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwireshark13-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwiretap10",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "libwiretap10 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwiretap10-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwiretap8",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "libwiretap8 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwiretap8-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwscodecs2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "libwscodecs2 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwscodecs2-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwsutil11",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "libwsutil11 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwsutil11-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwsutil9",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "libwsutil9 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwsutil9-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tshark",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "tshark 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-tshark-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tshark",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "tshark 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tshark-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "wireshark 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wireshark-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "wireshark 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-wireshark-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "wireshark-common 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wireshark-common-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-common",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "wireshark-common 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-wireshark-common-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-gtk",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "wireshark-gtk 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wireshark-gtk-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-gtk",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "wireshark-gtk 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-wireshark-gtk-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-qt",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.6.10-1~ubuntu18.04.0\u002Besm1",
      "fix": "wireshark-qt 2.6.10-1~ubuntu18.04.0\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-wireshark-qt-2.6.10-1-ubuntu18.04.0-esm1",
      "released": "2020-10-06T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-qt",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.3-1ubuntu0.1~esm1",
      "fix": "wireshark-qt 3.2.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-wireshark-qt-3.2.3-1ubuntu0.1-esm1",
      "released": "2020-10-06T08:15:00Z"
    }
  ],
  "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"
  }
}