{
  "fix": "OPENSUSE-SU-2026:21213-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21213-1",
  "summary": "OPENSUSE-SU-2026:21213-1, released July 2, 2026, fixes 10 CVEs in containerd (version 1.7.33-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "containerd security update",
  "released": "2026-07-02T09:47:31Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-39821, rated Critical",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01834,
  "maxCvss": 10,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:21213-1",
  "appliesTo": [
    {
      "product": "containerd",
      "productUrl": "https://patchblox.com/security/product/linux/containerd",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.7.33-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-39821",
      "url": "https://patchblox.com/security/cve/CVE-2026-39821",
      "title": "Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 10,
      "epss": 0.01834,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33186",
      "url": "https://patchblox.com/security/cve/CVE-2026-33186",
      "title": "gRPC-Go has an authorization bypass via missing leading slash in :path",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.01619,
      "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-2026-34986",
      "url": "https://patchblox.com/security/cve/CVE-2026-34986",
      "title": "osbuild-composer: A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00663,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-35469",
      "url": "https://patchblox.com/security/cve/CVE-2026-35469",
      "title": "SpdyStream: DOS on CRI",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.00656,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53488",
      "url": "https://patchblox.com/security/cve/CVE-2026-53488",
      "title": "containerd: containerd is an open-source container runtime",
      "priority": "High",
      "severity": "High",
      "cvss": 8.8,
      "epss": 0.00176,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-25621",
      "url": "https://patchblox.com/security/cve/CVE-2024-25621",
      "title": "containerd affected by a local privilege escalation via wide permissions on CRI directory",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00168,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46680",
      "url": "https://patchblox.com/security/cve/CVE-2026-46680",
      "title": "containerd: containerd is an open-source container runtime",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00163,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-47262",
      "url": "https://patchblox.com/security/cve/CVE-2026-47262",
      "title": "containerd: containerd is an open-source container runtime",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 5.5,
      "epss": 0.00265,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-64329",
      "url": "https://patchblox.com/security/cve/CVE-2025-64329",
      "title": "containerd CRI server: Host memory exhaustion through Attach goroutine leak",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00171,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}