{
  "fix": "RHSA-2026:91646",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91646",
  "summary": "RHSA-2026:91646, released October 29, 2026, fixes 7 CVEs in osbuild-composer (version 134.1-13.el10_0). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "osbuild-composer security update",
  "released": "2026-10-29T21:40:03Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-78669, high severity",
  "supported": true,
  "cveCount": 7,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00847,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:91646",
  "appliesTo": [
    {
      "product": "osbuild-composer",
      "productUrl": "https://patchblox.com/security/product/linux/osbuild-composer",
      "release": "RHEL 10",
      "fixedVersion": "134.1-13.el10_0",
      "supported": true
    }
  ],
  "cves": [
    {
      "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-2026-78667",
      "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-2026-84445",
      "url": "https://patchblox.com/security/cve/CVE-2026-84445",
      "title": "gRPC-Go: Denial of Service (DoS) via crash due to missing \u0060:authority\u0060 and \u0060Host\u0060 headers in the xDS servers",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00641,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-88031",
      "url": "https://patchblox.com/security/cve/CVE-2026-88031",
      "title": "osbuild-composer: Improper neutralization of special elements in data query logic in the GridFS component of the MongoDB Go Driver can...",
      "priority": "High",
      "severity": "important",
      "cvss": 8.1,
      "epss": 0.0048,
      "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
    }
  ],
  "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"
  }
}