RHSA-2026:44914

Vulnerability from csaf_redhat - Published: 2026-07-24 03:42 - Updated: 2026-08-12 21:14
Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs: dotnet9.0: * aspnetcore-runtime-9.0-9.0.18-2.hum1 (aarch64, x86_64) * aspnetcore-runtime-dbg-9.0-9.0.18-2.hum1 (aarch64, x86_64) * aspnetcore-targeting-pack-9.0-9.0.18-2.hum1 (aarch64, x86_64) * dotnet-apphost-pack-9.0-9.0.18-2.hum1 (aarch64, x86_64) * dotnet-hostfxr-9.0-9.0.18-2.hum1 (aarch64, x86_64) * dotnet-runtime-9.0-9.0.18-2.hum1 (aarch64, x86_64) * dotnet-runtime-dbg-9.0-9.0.18-2.hum1 (aarch64, x86_64) * dotnet-sdk-9.0-9.0.119-2.hum1 (aarch64, x86_64) * dotnet-sdk-9.0-source-built-artifacts-9.0.119-2.hum1 (aarch64, x86_64) * dotnet-sdk-aot-9.0-9.0.119-2.hum1 (aarch64, x86_64) * dotnet-sdk-dbg-9.0-9.0.119-2.hum1 (aarch64, x86_64) * dotnet-targeting-pack-9.0-9.0.18-2.hum1 (aarch64, x86_64) * dotnet-templates-9.0-9.0.119-2.hum1 (aarch64, x86_64) * netstandard-targeting-pack-2.1-9.0.119-2.hum1 (aarch64, x86_64) * dotnet9.0-9.0.119-2.hum1.src (src)
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.

CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@aarch64
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@src
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@x86_64
Vendor Fix fix
Threats
Impact Moderate

Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized attacker to disclose information over a network.

CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@aarch64
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@src
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@x86_64
Vendor Fix fix
Threats
Impact Moderate

Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.

CWE-606 - Unchecked Input for Loop Condition
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@aarch64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@src
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@x86_64
Vendor Fix fix
Workaround
Threats
Impact Important

Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

CWE-252 - Unchecked Return Value
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@aarch64
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@src
Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@x86_64
Vendor Fix fix
Threats
Impact Important

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          "category": "general",
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        }
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          "category": "impact",
          "details": "Moderate"
        }
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      "title": ".NET: .NET Information Disclosure Vulnerability"
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      "cwe": {
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        "name": "Unchecked Input for Loop Condition"
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      "discovery_date": "2026-08-06T20:57:07.142000+00:00",
      "ids": [
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      "notes": [
        {
          "category": "description",
          "text": "Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": ".NET: .NET Denial of Service Vulnerability",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability in System.Net.WebSockets is rated as Important. An unauthenticated attacker could exploit this flaw to cause a denial of service in affected .NET applications, impacting service availability and reliability. This affects Red Hat products utilizing .NET 6.0 and newer versions.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Hardened Images:dotnet9-0-main@aarch64",
          "Red Hat Hardened Images:dotnet9-0-main@src",
          "Red Hat Hardened Images:dotnet9-0-main@x86_64"
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-62901"
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            "Red Hat Hardened Images:dotnet9-0-main@src",
            "Red Hat Hardened Images:dotnet9-0-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:44914"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
            "Red Hat Hardened Images:dotnet9-0-main@aarch64",
            "Red Hat Hardened Images:dotnet9-0-main@src",
            "Red Hat Hardened Images:dotnet9-0-main@x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:dotnet9-0-main@aarch64",
            "Red Hat Hardened Images:dotnet9-0-main@src",
            "Red Hat Hardened Images:dotnet9-0-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": ".NET: .NET Denial of Service Vulnerability"
    },
    {
      "cve": "CVE-2026-62909",
      "cwe": {
        "id": "CWE-252",
        "name": "Unchecked Return Value"
      },
      "discovery_date": "2026-08-06T21:09:22.046000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512185"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": ".NET: .NET Elevation of Privilege Vulnerability",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Hardened Images:dotnet9-0-main@aarch64",
          "Red Hat Hardened Images:dotnet9-0-main@src",
          "Red Hat Hardened Images:dotnet9-0-main@x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-62909"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512185",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512185"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-62909",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-62909"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-62909",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-62909"
        }
      ],
      "release_date": "2026-08-11T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-07-24T03:42:18+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:dotnet9-0-main@aarch64",
            "Red Hat Hardened Images:dotnet9-0-main@src",
            "Red Hat Hardened Images:dotnet9-0-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:44914"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:dotnet9-0-main@aarch64",
            "Red Hat Hardened Images:dotnet9-0-main@src",
            "Red Hat Hardened Images:dotnet9-0-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": ".NET: .NET Elevation of Privilege Vulnerability"
    }
  ]
}



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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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.

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Detection rules are retrieved from Rulezet.

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