{
  "cveId": "CVE-2026-84304",
  "url": "https://patchblox.com/security/cve/CVE-2026-84304",
  "summary": "CVE-2026-84304 is fixed in 21 products on 1 platform, first by OPENSUSE-SU-2026:21801-1, released September 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation",
  "description": "This update for amazon-cloudwatch-agent fixes the following issues:\n\n- CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation issue allows for bypass of authorization\n  policies via mixed-case or canonical-case header matches (bsc#1279334).\n- CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279235).\n- CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing \u0060:authority\u0060 and \u0060Host\u0060 headers in gRPC-Go xDS\n  servers (bsc#1279393).\n\nChanges for amazon-cloudwatch-agent:\n\n- Update to version 1.300072.0\n \n * [DatabaseInsights] Enable PostgreSQL execution plan collection\n by @AshuSrv in (#2225)\n * [DatabaseInsights] Add workload detection for PostgreSQL database\n servers by @Paamicky in (#2220)\n * [ApplicationSignals] Preserve jvm.gc.name attribute in GC runtime\n metrics to differentiate collector types by @ezhang6811 in (#2218)\n * [DatabaseInsights] Split PostgreSQL per-resource metrics to a dedicated\n 60s receiver to reduce collection overhead by @EduVencovsky in (#2232)\n * [Agent] Bump grpc and golang.org/x/net dependencies\n by @dependabot in (#2217) and @movence in (#2242)\n * [Agent] Fix AKS cloud.resource_id derivation to use the cluster\n resource group by @jefchien in (#2237)\n  \n- Lock github.com/prometheus/common at v0.62.0\n  \n- Update to version 1.300071.0\n \n * [OpenTelemetry] Add file tailing and Windows Events support\n by @jefchien in (#2206) and (#2193)\n * [OpenTelemetry] Add resource_attributes support by @movence in (#2207)\n * [Agent] Add set-env ctl action to persist agent environment variables\n by @sky333999 in (#2211)\n * [Agent] Add platform-aware default configs for OpenTelemetry (host,\n Kubernetes, ECS) by @jefchien in (#2179)\n * [Agent] Add Microsoft Azure support for VMs and AKS by @movence in (#2183)\n * [OpenTelemetry] Add root-level cluster_name and standardize collection_interval\n by @Paamicky in (#2189)\n * [Agent] Retain custom environment variables in env-config.json between\n translation by @jefchien in (#2131)\n * [DatabaseInsights] Add severity parsing and fix multiline/timestamp for\n PostgreSQL server logs by @JayPolanco in (#2209)\n * [Logs] Fix throttling deadlock in cloudwatchlogs output plugin when destinations\n are removed by @lorespiz in (#2190)\n * [Logs] Fix force-flush timer permanently stalling on low-volume log streams\n by @musa-asad in (#2166)\n * [Logs] Add journald log collection support by @Paamicky in (#2121)\n * [OpenTelemetry] Add new opentelemetry section in JSON configuration to support\n sending telemetry to CloudWatch OTLP endpoints by @mitali-salvi in (#2152)\n * [DatabaseInsights] Add support for self-managed PostgreSQL metrics and logs\n collection by @JayPolanco in (#2172)\n * [ApplicationSignals] Fix Service Events logs and metrics pipelines\n to use shared AWS credential chain by @jefchien in (#2151)",
  "published": "2026-09-05T01:37:48Z",
  "severity": "Important",
  "cvss": 4.4,
  "cwe": "Uncontrolled Resource Consumption",
  "epss": 0.00609,
  "epssPercentile": 0.49398,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84304",
  "fixes": [
    {
      "platform": "linux",
      "product": "amazon-cloudwatch-agent",
      "release": "sles 15.6",
      "fixedVersion": "1.300072.0-150400.9.13.1",
      "fix": "SUSE-SU-2026:4388-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4388-1",
      "released": "2026-09-29T11:44:51Z"
    },
    {
      "platform": "linux",
      "product": "amazon-cloudwatch-agent",
      "release": "sles 15.7",
      "fixedVersion": "1.300072.0-150400.9.13.1",
      "fix": "SUSE-SU-2026:4388-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4388-1",
      "released": "2026-09-29T11:44:51Z"
    },
    {
      "platform": "linux",
      "product": "amazon-ecs-init",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.107.0-160000.1.1",
      "fix": "OPENSUSE-SU-2026:22035-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22035-1",
      "released": "2026-10-06T14:54:50Z"
    },
    {
      "platform": "linux",
      "product": "amazon-ecs-init",
      "release": "sles 16.0",
      "fixedVersion": "1.107.0-160000.1.1",
      "fix": "SUSE-SU-2026:24150-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24150-1",
      "released": "2026-10-06T14:53:08Z"
    },
    {
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      "product": "apptainer",
      "release": "opensuse-leap 16.0",
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      "fix": "OPENSUSE-SU-2026:21927-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21927-1",
      "released": "2026-09-21T13:53:22Z"
    },
    {
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      "release": "sles 15.7",
      "fixedVersion": "1.5.3-150600.4.43.1",
      "fix": "SUSE-SU-2026:4308-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4308-1",
      "released": "2026-09-23T13:18:26Z"
    },
    {
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      "fixedVersion": "10.32.8-150400.9.21.1",
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      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4125-1",
      "released": "2026-09-11T06:49:14Z"
    },
    {
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      "release": "sles 15.7",
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      "released": "2026-09-11T06:49:14Z"
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      "fix": "OPENSUSE-SU-2026:21843-1",
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      "released": "2026-09-14T13:26:27Z"
    },
    {
      "platform": "linux",
      "product": "containerized-data-importer1.65",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.65.0-160000.3.1",
      "fix": "OPENSUSE-SU-2026:21824-1",
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      "released": "2026-09-09T15:12:11Z"
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    {
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      "fix": "OPENSUSE-SU-2026:22135-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22135-1",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
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      "fix": "OPENSUSE-SU-2026:22064-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22064-1",
      "released": "2026-11-07T00:48:28Z"
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      "fix": "SUSE-SU-2026:4392-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4392-1",
      "released": "2026-09-29T11:49:16Z"
    },
    {
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      "fix": "SUSE-SU-2026:4392-1",
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      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24213-1",
      "released": "2026-11-07T00:45:20Z"
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      "fix": "OPENSUSE-SU-2026:21898-1",
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      "released": "2026-09-21T12:26:04Z"
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      "released": "2026-09-21T12:23:04Z"
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    {
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    {
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      "fix": "OPENSUSE-SU-2026:21834-1",
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      "fix": "SUSE-SU-2026:4206-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4206-1",
      "released": "2026-09-16T08:21:12Z"
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    {
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      "fix": "SUSE-SU-2026:23729-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23729-1",
      "released": "2026-09-14T08:49:02Z"
    },
    {
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      "fixedVersion": "20260903.01-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21879-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21879-1",
      "released": "2026-09-18T07:48:05Z"
    },
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  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}