{
  "fix": "tor 0.4.2.7-1ubuntu0.1~esm1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tor-0.4.2.7-1ubuntu0.1-esm1",
  "summary": "tor 0.4.2.7-1ubuntu0.1~esm1, released August 29, 2021, fixes 6 CVEs in tor. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "tor 0.4.2.7-1ubuntu0.1~esm1 for Ubuntu 20.04 LTS (focal)",
  "released": "2021-08-29T22:15:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 6 CVEs, none high severity",
  "supported": false,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02597,
  "appliesTo": [
    {
      "product": "tor",
      "productUrl": "https://patchblox.com/security/product/linux/tor",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.4.2.7-1ubuntu0.1~esm1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-34548",
      "url": "https://patchblox.com/security/cve/CVE-2021-34548",
      "title": "tor: An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-003",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02597,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-28090",
      "url": "https://patchblox.com/security/cve/CVE-2021-28090",
      "title": "tor: Tor before 0.4.5.7 allows a remote attacker to cause Tor directory authorities to exit with an assertion failure, aka...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02096,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-38385",
      "url": "https://patchblox.com/security/cve/CVE-2021-38385",
      "title": "tor: Tor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and singl...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01685,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-28089",
      "url": "https://patchblox.com/security/cve/CVE-2021-28089",
      "title": "tor: Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, ak...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01672,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-34549",
      "url": "https://patchblox.com/security/cve/CVE-2021-34549",
      "title": "tor: An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01608,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-34550",
      "url": "https://patchblox.com/security/cve/CVE-2021-34550",
      "title": "tor: An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01564,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T14:02:24Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}