{
  "fix": "RHSA-2026:77021",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-77021",
  "summary": "RHSA-2026:77021, released October 9, 2026, fixes 2 CVEs across 14 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 14 packages",
  "released": "2026-10-09T22:37:46Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-19445, rated Critical",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00547,
  "maxCvss": 9.2,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:77021",
  "appliesTo": [
    {
      "product": "python3.14",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-debug",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-debug",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-devel",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-freethreading",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-freethreading",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-freethreading-debug",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-freethreading-debug",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-freethreading-devel",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-freethreading-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-freethreading-idle",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-freethreading-idle",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-freethreading-libs",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-freethreading-libs",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-freethreading-test",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-freethreading-test",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-freethreading-tkinter",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-freethreading-tkinter",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-idle",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-idle",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-libs",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-libs",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-test",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-test",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    },
    {
      "product": "python3.14-tkinter",
      "productUrl": "https://patchblox.com/security/product/linux/python3.14-tkinter",
      "release": "RHEL 9",
      "fixedVersion": "0:3.14.8-1.el9_8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-19445",
      "url": "https://patchblox.com/security/cve/CVE-2026-19445",
      "title": "Use-after-free of a server-side SSLContext when sni_callback switches contexts",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.2,
      "epss": 0.00524,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-19553",
      "url": "https://patchblox.com/security/cve/CVE-2026-19553",
      "title": "SSLContext.wrap_bio() missing validation of server_hostname parameter",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.00547,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}