{
  "fix": "RLSA-2026:22120",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-22120",
  "summary": "RLSA-2026:22120, released August 26, 2026, fixes 11 CVEs in golang (version 0:1.26.3-4.el10_2). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "golang security update",
  "released": "2026-08-26T00:08:24Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-33811, high severity",
  "supported": true,
  "cveCount": 11,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00875,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:22120",
  "appliesTo": [
    {
      "product": "golang",
      "productUrl": "https://patchblox.com/security/product/linux/golang",
      "release": "rocky 10",
      "fixedVersion": "0:1.26.3-4.el10_2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-33811",
      "url": "https://patchblox.com/security/cve/CVE-2026-33811",
      "title": "Crash when handling long CNAME response in net",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00875,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33814",
      "url": "https://patchblox.com/security/cve/CVE-2026-33814",
      "title": "Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.0084,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42499",
      "url": "https://patchblox.com/security/cve/CVE-2026-42499",
      "title": "Quadratic string concatenation in consumePhrase in net/mail",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00798,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39820",
      "url": "https://patchblox.com/security/cve/CVE-2026-39820",
      "title": "Quadratic string concatentation in consumeComment in net/mail",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00784,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39836",
      "url": "https://patchblox.com/security/cve/CVE-2026-39836",
      "title": "Panic in Dial and LookupPort when handling NUL byte on Windows in net",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00633,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39825",
      "url": "https://patchblox.com/security/cve/CVE-2026-39825",
      "title": "ReverseProxy forwards queries with more than urlmaxqueryparams parameters in net/http/httputil",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.0039,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39826",
      "url": "https://patchblox.com/security/cve/CVE-2026-39826",
      "title": "Escaper bypass leads to XSS in html/template",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00371,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39823",
      "url": "https://patchblox.com/security/cve/CVE-2026-39823",
      "title": "Bypass of meta content URL escaping causes XSS in html/template",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00314,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42501",
      "url": "https://patchblox.com/security/cve/CVE-2026-42501",
      "title": "Malicious module proxy can bypass checksum database in cmd/go",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00231,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39819",
      "url": "https://patchblox.com/security/cve/CVE-2026-39819",
      "title": "Invoking \u0022go bug\u0022 follows symlinks in predictable temporary filenames in cmd/go",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00179,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39817",
      "url": "https://patchblox.com/security/cve/CVE-2026-39817",
      "title": "Invoking \u0022go tool pack\u0022 does not sanitize output paths in cmd/go",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.0017,
      "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"
  }
}