{
  "fix": "ALAS2023-2026-3273",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3273",
  "summary": "ALAS2023-2026-3273, released November 7, 2026, fixes 8 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 5 packages",
  "released": "2026-11-07T01:06:24Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-78659, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00866,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-3273.html",
  "appliesTo": [
    {
      "product": "containerd",
      "productUrl": "https://patchblox.com/security/product/linux/containerd",
      "release": "amzn 2023",
      "fixedVersion": "2.3.7-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "containerd-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/containerd-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.3.7-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "containerd-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/containerd-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.3.7-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "containerd-stress",
      "productUrl": "https://patchblox.com/security/product/linux/containerd-stress",
      "release": "amzn 2023",
      "fixedVersion": "2.3.7-1.amzn2023.0.1",
      "supported": true
    },
    {
      "product": "containerd-stress-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/containerd-stress-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.3.7-1.amzn2023.0.1",
      "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-2026-56855",
      "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-2026-78662",
      "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-2026-95837",
      "url": "https://patchblox.com/security/cve/CVE-2026-95837",
      "title": "containerd: Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities:\nCVE-2026-95837:\n\tcontaine...",
      "priority": "High",
      "severity": "important",
      "epss": 0.00106,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53493",
      "url": "https://patchblox.com/security/cve/CVE-2026-53493",
      "title": "Containerd has image-pull DoS via crafted OCI index graph amplification",
      "priority": "Routine",
      "severity": "Moderate",
      "epss": 0.00356,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-81870",
      "url": "https://patchblox.com/security/cve/CVE-2026-81870",
      "title": "OpenTelemetry-Go: Exporter config logging may leak endpoint URLs in info logs",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00266,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-61801",
      "url": "https://patchblox.com/security/cve/CVE-2026-61801",
      "title": "github.com/moby/sys/user has a possible DoS via unbounded parsing of user and group database files",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00117,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}