{
  "fix": "RHSA-2026:86203",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-86203",
  "summary": "RHSA-2026:86203, released October 21, 2026, fixes 15 CVEs across 9 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 9 packages",
  "released": "2026-10-21T16:55:24Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-78659, high severity",
  "supported": true,
  "cveCount": 15,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00866,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:86203",
  "appliesTo": [
    {
      "product": "delve",
      "productUrl": "https://patchblox.com/security/product/linux/delve",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.1-1.module\u002Bel8.10.0\u002B24516\u002B40554724",
      "supported": true
    },
    {
      "product": "go-toolset",
      "productUrl": "https://patchblox.com/security/product/linux/go-toolset",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.10-1.module\u002Bel8.10.0\u002B25107\u002B6b50279c",
      "supported": true
    },
    {
      "product": "golang",
      "productUrl": "https://patchblox.com/security/product/linux/golang",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.10-1.module\u002Bel8.10.0\u002B25107\u002B6b50279c",
      "supported": true
    },
    {
      "product": "golang-bin",
      "productUrl": "https://patchblox.com/security/product/linux/golang-bin",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.10-1.module\u002Bel8.10.0\u002B25107\u002B6b50279c",
      "supported": true
    },
    {
      "product": "golang-docs",
      "productUrl": "https://patchblox.com/security/product/linux/golang-docs",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.10-1.module\u002Bel8.10.0\u002B25107\u002B6b50279c",
      "supported": true
    },
    {
      "product": "golang-misc",
      "productUrl": "https://patchblox.com/security/product/linux/golang-misc",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.10-1.module\u002Bel8.10.0\u002B25107\u002B6b50279c",
      "supported": true
    },
    {
      "product": "golang-race",
      "productUrl": "https://patchblox.com/security/product/linux/golang-race",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.10-1.module\u002Bel8.10.0\u002B25107\u002B6b50279c",
      "supported": true
    },
    {
      "product": "golang-src",
      "productUrl": "https://patchblox.com/security/product/linux/golang-src",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.10-1.module\u002Bel8.10.0\u002B25107\u002B6b50279c",
      "supported": true
    },
    {
      "product": "golang-tests",
      "productUrl": "https://patchblox.com/security/product/linux/golang-tests",
      "release": "RHEL 8",
      "fixedVersion": "0:1.26.10-1.module\u002Bel8.10.0\u002B25107\u002B6b50279c",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-78659",
      "url": "https://patchblox.com/security/cve/CVE-2026-78659",
      "title": "HTTP/2 server memory exhaustion due to Trailer headers in net/http",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00866,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-78663",
      "url": "https://patchblox.com/security/cve/CVE-2026-78663",
      "title": "Double flow control refund on HTTP/2 server streams in net/http",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00858,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-78669",
      "url": "https://patchblox.com/security/cve/CVE-2026-78669",
      "title": "Excessive CPU consumption from repeated initial window changes in net/http",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00847,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97031",
      "url": "https://patchblox.com/security/cve/CVE-2026-97031",
      "title": "Reject malformed ECH outer extension references in crypto/tls",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00716,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-94440",
      "url": "https://patchblox.com/security/cve/CVE-2026-94440",
      "title": "Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00706,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97032",
      "url": "https://patchblox.com/security/cve/CVE-2026-97032",
      "title": "HTTP/2 server crash due to HPACK encoder race in net/http",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00676,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-78667",
      "url": "https://patchblox.com/security/cve/CVE-2026-78667",
      "title": "Lack of limit on size of parsed Range headers in net/http",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00663,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56866",
      "url": "https://patchblox.com/security/cve/CVE-2026-56866",
      "title": "HTTP/1 client connection desynchronization after CONNECT rejection in net/http",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00604,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-78660",
      "url": "https://patchblox.com/security/cve/CVE-2026-78660",
      "title": "HTTP/2 transport accepts malformed framing-related headers in net/http",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00542,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-94439",
      "url": "https://patchblox.com/security/cve/CVE-2026-94439",
      "title": "HTTP/1 server connection desynchronization after 2xx CONNECT response in net/http",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00528,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-111943",
      "url": "https://patchblox.com/security/cve/CVE-2026-111943",
      "title": "Go: CVE-2026-111943 Distrust compromised intermediate certificates in crypto/x509",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.00396,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-94447",
      "url": "https://patchblox.com/security/cve/CVE-2026-94447",
      "title": "Checksum database bypass for golang.org/toolchain in cmd/go",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00102,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-94444",
      "url": "https://patchblox.com/security/cve/CVE-2026-94444",
      "title": "Checksum bypass for golang.org/fips140 in cmd/go",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00097,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-94448",
      "url": "https://patchblox.com/security/cve/CVE-2026-94448",
      "title": "Reset context tracking on consecutive template expressions in html/template",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00289,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97030",
      "url": "https://patchblox.com/security/cve/CVE-2026-97030",
      "title": "Recognize yield as regexp preceder keyword in html/template",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00289,
      "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"
  }
}