{
  "cveId": "CVE-2021-44540",
  "url": "https://patchblox.com/security/cve/CVE-2021-44540",
  "summary": "CVE-2021-44540 is fixed in privoxy on 1 platform, first by privoxy 3.0.26-5ubuntu0.3, released December 23, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "privoxy: A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled pattern sp...",
  "description": "A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled pattern spec before bailing.",
  "published": "2021-12-23T12:15:00Z",
  "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": 0.01383,
  "epssPercentile": 0.72329,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "privoxy",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.0.33-1",
      "fix": "DEBIAN-CVE-2021-44540",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-44540",
      "released": "2021-12-23T20:15:11Z"
    },
    {
      "platform": "linux",
      "product": "privoxy",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.0.33-1",
      "fix": "DEBIAN-CVE-2021-44540",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-44540",
      "released": "2021-12-23T20:15:11Z"
    },
    {
      "platform": "linux",
      "product": "privoxy",
      "release": "Debian 14",
      "fixedVersion": "3.0.33-1",
      "fix": "DEBIAN-CVE-2021-44540",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-44540",
      "released": "2021-12-23T20:15:11Z"
    },
    {
      "platform": "linux",
      "product": "privoxy",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.0.26-5ubuntu0.3",
      "fix": "privoxy 3.0.26-5ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-privoxy-3.0.26-5ubuntu0.3",
      "released": "2021-12-23T12:15:00Z"
    },
    {
      "platform": "linux",
      "product": "privoxy",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.0.28-2ubuntu0.2",
      "fix": "privoxy 3.0.28-2ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-privoxy-3.0.28-2ubuntu0.2",
      "released": "2021-12-23T12:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}