{
  "fix": "libspf2-2 1.2.10-7ubuntu0.18.04.1~esm1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libspf2-2-1.2.10-7ubuntu0.18.04.1-esm1",
  "summary": "libspf2-2 1.2.10-7ubuntu0.18.04.1~esm1, released January 19, 2022, fixes 3 CVEs in libspf2-2. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libspf2-2 1.2.10-7ubuntu0.18.04.1~esm1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2022-01-19T10:15:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2021-33913, rated Critical",
  "supported": false,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.10348,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "libspf2-2",
      "productUrl": "https://patchblox.com/security/product/linux/libspf2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.2.10-7ubuntu0.18.04.1~esm1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-33912",
      "url": "https://patchblox.com/security/cve/CVE-2021-33912",
      "title": "libspf2: libspf2 before 1.2.11 has a four-byte heap-based buffer overflow that might allow remote attackers to execute arbitra...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.10348,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-33913",
      "url": "https://patchblox.com/security/cve/CVE-2021-33913",
      "title": "libspf2: libspf2 before 1.2.11 has a heap-based buffer overflow that might allow remote attackers to execute arbitrary code (v...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.10348,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-20314",
      "url": "https://patchblox.com/security/cve/CVE-2021-20314",
      "title": "libmail-spf-xs-perl: Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of servi...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02833,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T19:57:06Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}