{
  "fix": "OPENSUSE-SU-2026:22064-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22064-1",
  "summary": "OPENSUSE-SU-2026:22064-1, released November 7, 2026, fixes 6 CVEs in cosign (version 3.1.3-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "cosign security update",
  "released": "2026-11-07T00:48:28Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-56855, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00609,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:22064-1",
  "appliesTo": [
    {
      "product": "cosign",
      "productUrl": "https://patchblox.com/security/product/linux/cosign",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.1.3-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-56855",
      "url": "https://patchblox.com/security/cve/CVE-2026-56855",
      "title": "Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.005,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56852",
      "url": "https://patchblox.com/security/cve/CVE-2026-56852",
      "title": "Infinite loop on invalid input in golang.org/x/text",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00475,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56854",
      "url": "https://patchblox.com/security/cve/CVE-2026-56854",
      "title": "golang-go.crypto: The source-address critical option in the Permissions returned by an authentication callback was only enforced for th...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00437,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-78662",
      "url": "https://patchblox.com/security/cve/CVE-2026-78662",
      "title": "Prevent DoS on deadlocked undecided channel in golang.org/x/crypto/ssh",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00431,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56864",
      "url": "https://patchblox.com/security/cve/CVE-2026-56864",
      "title": "Ignore unrelated, unauthenticated hashes in Lookup in golang.org/x/mod/sumdb",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00298,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-84304",
      "url": "https://patchblox.com/security/cve/CVE-2026-84304",
      "title": "gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.4,
      "epss": 0.00609,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}