SUSE-SU-2026:22320-1

Vulnerability from csaf_suse - Published: 2026-06-22 14:35 - Updated: 2026-09-16 19:59
Summary
Security update for amazon-ecs-init
Severity
Important
Notes
Title of the patch: Security update for amazon-ecs-init
Description of the patch: This update for amazon-ecs-init fixes the following issues Update to version 1.103.2: - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265843). - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266652). Changes: * Enhancement - Bump github.com/aws/aws-sdk-go-v2/service/fsx from 1.53.1 to 1.65.10 in /agent (#4966) * Enhancement - Add semgrep security scan for command injection (#4959) * Enhancement - Bump golang.org/x/tools from 0.39.0 to 0.45.0 in /ecs-agent (#4965), also updates x/net to 0.54.0 (bsc#1266652, CVE-2026-39821) * Enhancement - Add integration test for credential refresher (#4961) * Enhancement - Bump golang.org/x/tools from 0.42.0 to 0.45.0 in /agent (#4873) * Enhancement - Update Go version to 1.25.10 (#4960) * Enhancement - Bump go.etcd.io/bbolt from 1.3.9 to 1.4.3 in /ecs-agent (#4872) * Enhancement - update credentials-fetcher retry comments/tests (#4954) * Enhancement - Enhancement - Add retry mechanism to credentialsfetcher (#4948) * Enhancement - Add IMDS credential refresher (#4953) * Bugfix - fix flaky tests depending on timers (#4955) * Feature - Implement IMDS scanner for task credential retrieval, in the shared library (#4945) * Feature - Add config/capability for IMDS-based task credential retrieval (disabled for now) (#4938) * Feature - Add IMDS credential scanner interface and capability constant for IMDS-based task credential retrieval (#4937) * Enhancement - Bump github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs from 1.47.3 to 1.65.0 in /agent (#4921) * Enhancement - Bump github.com/aws/aws-sdk-go-v2/service/s3 from 1.63.1 to 1.97.3 in /ecs-init (#4923) from 1.79.2 to 1.97.3 in /agent (#4924) * Enhancement - Bump go.opentelemetry.io/otel/exporters/otlp/ otlptrace/ otlptracehttp from 1.32.0 to 1.43.0 in /agent (#4926) * Enhancement - Truncate log values to make agent logs less verbose (#4940) * Enhancement - Golang bump: 1.25.9 (#4935) * Enhancement - Use env variable to read user input when mounting FSx volumes (#4934) * Enhancement - Enhancement - Replace SSM Dualstack endpoint resolution logic with UseDualStackEndpoint (#4931) * Enhancement - Emit duration metrics for TACS connect/disconnect (#4928) * Enhancement - Bump github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream from 1.6.10 to 1.7.8 in /agent (#4922) from 1.6.5 to 1.7.8 in /ecs-init (#4925) * Enhancement - Track and emit metric for disconnect time from ACS (#4920) * Enhancement - engine: skip execution role checks when task desired status is stopped (#4918) * Enhancement - Add NeuronDevices type and sysfs-based device discovery (#4919) * Bugfix - Fix release workflow branch handling and add GitHub App token (#4929) * Bugfix - fix(netlib): Conditionally add IPv6 subnet to IPAM config when IPv6 (#4916) * Enhancement - Update SSM exec agent version to 3.3.4108.0 (#4912) * Enhancement - Update Go version to 1.25.8 (#4894) * Enhancement - Apply skip-gpg-check to both ecs-init and ssm agent (#4901) * Enhancement - Bump google.golang.org/grpc from 1.78.0 to 1.79.3 (#4906)
Patchnames: SUSE-SLES-16.0-1025
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-33814
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Server 16.0:amazon-ecs-init-1.103.2-160000.1.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-39821
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Recommended 4 products, the same list as for CVE-2026-33814
Threats
Impact important
References
To clipboard 

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        "text": "This update for amazon-ecs-init fixes the following issues\n\nUpdate to version 1.103.2:\n\n- CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE\n  (bsc#1265843).\n- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation\n  bypass and privilege escalation (bsc#1266652).\n\nChanges:\n\n * Enhancement - Bump github.com/aws/aws-sdk-go-v2/service/fsx from\n 1.53.1 to 1.65.10 in /agent (#4966)\n * Enhancement - Add semgrep security scan for command injection (#4959)\n * Enhancement - Bump golang.org/x/tools from 0.39.0 to 0.45.0 in\n /ecs-agent (#4965), also updates x/net to 0.54.0 (bsc#1266652, CVE-2026-39821)\n * Enhancement - Add integration test for credential refresher (#4961)\n * Enhancement - Bump golang.org/x/tools from 0.42.0 to 0.45.0 in /agent (#4873)\n * Enhancement - Update Go version to 1.25.10 (#4960)\n * Enhancement - Bump go.etcd.io/bbolt from 1.3.9 to 1.4.3 in /ecs-agent (#4872)\n * Enhancement - update credentials-fetcher retry comments/tests (#4954)\n * Enhancement - Enhancement - Add retry mechanism to credentialsfetcher (#4948)\n * Enhancement - Add IMDS credential refresher (#4953)\n * Bugfix - fix flaky tests depending on timers (#4955)\n * Feature - Implement IMDS scanner for task credential retrieval,\n in the shared library (#4945)\n * Feature - Add config/capability for IMDS-based task credential retrieval\n (disabled for now) (#4938)\n * Feature - Add IMDS credential scanner interface and capability constant\n for IMDS-based task credential retrieval (#4937)\n * Enhancement - Bump github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs\n from 1.47.3 to 1.65.0 in /agent (#4921)\n * Enhancement - Bump github.com/aws/aws-sdk-go-v2/service/s3\n from 1.63.1 to 1.97.3 in /ecs-init (#4923)\n from 1.79.2 to 1.97.3 in /agent (#4924)\n * Enhancement - Bump go.opentelemetry.io/otel/exporters/otlp/\n otlptrace/ otlptracehttp from 1.32.0 to 1.43.0 in /agent (#4926)\n * Enhancement - Truncate log values to make agent logs less verbose (#4940)\n * Enhancement - Golang bump: 1.25.9 (#4935)\n * Enhancement - Use env variable to read user input when\n mounting FSx volumes (#4934)\n * Enhancement - Enhancement - Replace SSM Dualstack endpoint\n resolution logic with UseDualStackEndpoint (#4931)\n * Enhancement - Emit duration metrics for TACS connect/disconnect (#4928)\n * Enhancement - Bump github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream\n from 1.6.10 to 1.7.8 in /agent (#4922)\n from 1.6.5 to 1.7.8 in /ecs-init (#4925)\n * Enhancement - Track and emit metric for disconnect time from ACS (#4920)\n * Enhancement - engine: skip execution role checks when task desired status\n is stopped (#4918)\n * Enhancement - Add NeuronDevices type and sysfs-based device discovery (#4919)\n * Bugfix - Fix release workflow branch handling and add GitHub App token (#4929)\n * Bugfix - fix(netlib): Conditionally add IPv6 subnet to IPAM config when IPv6 (#4916)\n * Enhancement - Update SSM exec agent version to 3.3.4108.0 (#4912)\n * Enhancement - Update Go version to 1.25.8 (#4894)\n * Enhancement - Apply skip-gpg-check to both ecs-init and ssm agent (#4901)\n * Enhancement - Bump google.golang.org/grpc from 1.78.0 to 1.79.3 (#4906)\n",
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        "title": "Patchnames"
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        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-July/027149.html"
      },
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        "url": "https://www.suse.com/security/cve/CVE-2026-39821/"
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    "title": "Security update for amazon-ecs-init",
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      "generator": {
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      "revision_history": [
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          "date": "2026-06-22T14:35:18Z",
          "number": "1",
          "summary": "Current version"
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        {
          "date": "2026-09-16T19:10:12Z",
          "number": "2",
          "summary": "unknown changes"
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-33814",
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          "text": "https://www.suse.com/security/cve/CVE-2026-33814"
        }
      ],
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          "text": "When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.",
          "title": "CVE description"
        }
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        ]
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        {
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          "product_ids": [
            "SUSE Linux Enterprise Server 16.0:amazon-ecs-init-1.103.2-160000.1.1.aarch64",
            "SUSE Linux Enterprise Server 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.aarch64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64"
          ]
        }
      ],
      "scores": [
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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            "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.aarch64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64"
          ]
        }
      ],
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          "date": "2026-06-22T14:35:18Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-33814"
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    {
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          "text": "https://www.suse.com/security/cve/CVE-2026-39821"
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      ],
      "notes": [
        {
          "category": "general",
          "text": "The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode(\"xn--example-.com\") incorrectly returns the name \"example.com\" rather than an error. This behavior can lead to privilege escalation in programs using the idna package. For example, a program which performs privilege checks on the ASCII hostname may reject \"example.com\" but permit \"xn--example-.com\". If that program subsequently converts the ASCII hostname to Unicode, it will inadvertently permits access to the Unicode name \"example.com\".",
          "title": "CVE description"
        }
      ],
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          "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.aarch64",
          "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64"
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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            "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.aarch64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise Server 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.aarch64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:amazon-ecs-init-1.103.2-160000.1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-06-22T14:35:18Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-39821"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.