{
  "fix": "ALAS2023-2026-1886",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1886",
  "summary": "ALAS2023-2026-1886, released June 22, 2026, fixes 7 CVEs in runfinch-finch (version 1.17.1-1.amzn2023.0.3). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "runfinch-finch security update",
  "released": "2026-06-22T09:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-39821, rated Critical",
  "supported": true,
  "cveCount": 7,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01834,
  "maxCvss": 10,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1886.html",
  "appliesTo": [
    {
      "product": "runfinch-finch",
      "productUrl": "https://patchblox.com/security/product/linux/runfinch-finch",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-39821",
      "url": "https://patchblox.com/security/cve/CVE-2026-39821",
      "title": "Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 10,
      "epss": 0.01834,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42504",
      "url": "https://patchblox.com/security/cve/CVE-2026-42504",
      "title": "Quadratic complexity in WordDecoder.DecodeHeader in mime",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.0056,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-25681",
      "url": "https://patchblox.com/security/cve/CVE-2026-25681",
      "title": "Invoking  incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.7,
      "epss": 0.00223,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27136",
      "url": "https://patchblox.com/security/cve/CVE-2026-27136",
      "title": "Invoking  duplicate attributes can cause XSS in golang.org/x/net/html",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.7,
      "epss": 0.00223,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42502",
      "url": "https://patchblox.com/security/cve/CVE-2026-42502",
      "title": "Invoking  incorrect handling of HTML elements in foreign content in golang.org/x/net/html",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.2,
      "epss": 0.00223,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-25680",
      "url": "https://patchblox.com/security/cve/CVE-2026-25680",
      "title": "Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.00326,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42506",
      "url": "https://patchblox.com/security/cve/CVE-2026-42506",
      "title": "Invoking  incorrect handling of namespaced elements in foreign content in golang.org/x/net/html",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00235,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "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"
  }
}