{
  "cveId": "CVE-2016-9843",
  "url": "https://patchblox.com/security/cve/CVE-2016-9843",
  "summary": "CVE-2016-9843 is fixed in 4 products on 2 platforms, first by klibc-utils 2.0.4-9ubuntu2.2\u002Besm2, released May 22, 2017. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Node.js 4 and 1 other: The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified\u2026",
  "description": "The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.",
  "published": "2017-05-22T21:29:00Z",
  "severity": "Low",
  "cvss": 9.8,
  "epss": 0.05766,
  "epssPercentile": 0.9312,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2016-9843",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Node.js 4",
      "fixedVersion": "4.8.6",
      "fix": "Node.js 4 4.8.6",
      "url": "https://patchblox.com/security/fix/windows-app/openjs.nodejs.4-4.8.6",
      "released": "2017-11-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "klibc-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.0.4-9ubuntu2.2\u002Besm2",
      "fix": "klibc-utils 2.0.4-9ubuntu2.2\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-klibc-utils-2.0.4-9ubuntu2.2-esm2",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "klibc-utils",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.0.7-1ubuntu5.2\u002Besm1",
      "fix": "klibc-utils 2.0.7-1ubuntu5.2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-klibc-utils-2.0.7-1ubuntu5.2-esm1",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "klibc-utils",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.0.10-4ubuntu0.2",
      "fix": "klibc-utils 2.0.10-4ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-klibc-utils-2.0.10-4ubuntu0.2",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "klibc-utils",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.0.13-4ubuntu0.2",
      "fix": "klibc-utils 2.0.13-4ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-klibc-utils-2.0.13-4ubuntu0.2",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "klibc-utils",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "2.0.14-1ubuntu1.1",
      "fix": "klibc-utils 2.0.14-1ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-klibc-utils-2.0.14-1ubuntu1.1",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "klibc-utils",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.0.14-1ubuntu2",
      "fix": "klibc-utils 2.0.14-1ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-klibc-utils-2.0.14-1ubuntu2",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libklibc",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.0.4-9ubuntu2.2\u002Besm2",
      "fix": "libklibc 2.0.4-9ubuntu2.2\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libklibc-2.0.4-9ubuntu2.2-esm2",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libklibc",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.0.7-1ubuntu5.2\u002Besm1",
      "fix": "libklibc 2.0.7-1ubuntu5.2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libklibc-2.0.7-1ubuntu5.2-esm1",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libklibc",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.0.10-4ubuntu0.2",
      "fix": "libklibc 2.0.10-4ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libklibc-2.0.10-4ubuntu0.2",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libklibc",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.0.13-4ubuntu0.2",
      "fix": "libklibc 2.0.13-4ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libklibc-2.0.13-4ubuntu0.2",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libklibc",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "2.0.14-1ubuntu1.1",
      "fix": "libklibc 2.0.14-1ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libklibc-2.0.14-1ubuntu1.1",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libklibc",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2.0.14-1ubuntu2",
      "fix": "libklibc 2.0.14-1ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libklibc-2.0.14-1ubuntu2",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "rsync",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.1.2-2.1ubuntu1.1",
      "fix": "rsync 3.1.2-2.1ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-rsync-3.1.2-2.1ubuntu1.1",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "rsync",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.1.3-6",
      "fix": "rsync 3.1.3-6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-rsync-3.1.3-6",
      "released": "2017-05-22T21:29:00Z"
    },
    {
      "platform": "linux",
      "product": "rsync",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "3.1.3-6",
      "fix": "rsync 3.1.3-6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-rsync-3.1.3-6",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "rsync",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "3.1.3-6",
      "fix": "rsync 3.1.3-6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-rsync-3.1.3-6",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "noFixYet": [
    {
      "platform": "Windows apps",
      "product": "Node.js 7",
      "status": "no-fix",
      "affectedVersion": "7.1.0"
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}