{
  "cveId": "CVE-2023-31606",
  "url": "https://patchblox.com/security/cve/CVE-2023-31606",
  "summary": "CVE-2023-31606 is fixed in ruby-redcloth on 1 platform, first by ruby-redcloth 4.3.2-3ubuntu0.1~esm1, released June 6, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "ruby-redcloth: A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem v4.0.0",
  "description": "A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem v4.0.0. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.",
  "published": "2023-06-06T10:15:00Z",
  "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": 0.01513,
  "epssPercentile": 0.74652,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "ruby-redcloth",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.3.3-1",
      "fix": "DEBIAN-CVE-2023-31606",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-31606",
      "released": "2023-06-06T17:15:14Z"
    },
    {
      "platform": "linux",
      "product": "ruby-redcloth",
      "release": "Debian 14",
      "fixedVersion": "4.3.3-1",
      "fix": "DEBIAN-CVE-2023-31606",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-31606",
      "released": "2023-06-06T17:15:14Z"
    },
    {
      "platform": "linux",
      "product": "ruby-redcloth",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.3.2-3ubuntu0.1~esm1",
      "fix": "ruby-redcloth 4.3.2-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ruby-redcloth-4.3.2-3ubuntu0.1-esm1",
      "released": "2023-06-06T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "ruby-redcloth",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "4.3.2-3\u002Bdeb10u1build0.20.04.1",
      "fix": "ruby-redcloth 4.3.2-3\u002Bdeb10u1build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-ruby-redcloth-4.3.2-3-deb10u1build0.20.04.1",
      "released": "2023-06-06T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "ruby-redcloth",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.3.2-4ubuntu0.22.04.1",
      "fix": "ruby-redcloth 4.3.2-4ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ruby-redcloth-4.3.2-4ubuntu0.22.04.1",
      "released": "2023-06-06T10:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}