{
  "document" : {
    "aggregate_severity" : {
      "namespace" : "https://access.redhat.com/security/updates/classification/",
      "text" : "Important"
    },
    "category" : "csaf_security_advisory",
    "csaf_version" : "2.0",
    "distribution" : {
      "text" : "Copyright © Red Hat, Inc. All rights reserved.",
      "tlp" : {
        "label" : "WHITE",
        "url" : "https://www.first.org/tlp/"
      }
    },
    "lang" : "en",
    "notes" : [ {
      "category" : "summary",
      "text" : "A new satellite/iop-vmaas-rhel9 container image is now available as a technical preview in the Red Hat container registry.",
      "title" : "Topic"
    }, {
      "category" : "general",
      "text" : "Red Hat Lightspeed in Satellite analyzes system health and configuration by applying  predefined rules to a small set of local data, such as installed packages,  running services, and configuration settings.",
      "title" : "Details"
    }, {
      "category" : "legal_disclaimer",
      "text" : "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.",
      "title" : "Terms of Use"
    } ],
    "publisher" : {
      "category" : "vendor",
      "contact_details" : "https://access.redhat.com/security/team/contact/",
      "issuing_authority" : "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name" : "Red Hat Product Security",
      "namespace" : "https://www.redhat.com"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "https://access.redhat.com/errata/RHSA-2026:51194",
      "url" : "https://access.redhat.com/errata/RHSA-2026:51194"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/documentation/en-us/red_hat_satellite/6.19/html/updating_red_hat_satellite/index",
      "url" : "https://access.redhat.com/documentation/en-us/red_hat_satellite/6.19/html/updating_red_hat_satellite/index"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-33811",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-33811"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-39821",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-39821"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-42561",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-42561"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/updates/classification/",
      "url" : "https://access.redhat.com/security/updates/classification/"
    }, {
      "category" : "external",
      "summary" : "https://catalog.redhat.com/software/containers/search",
      "url" : "https://catalog.redhat.com/software/containers/search"
    }, {
      "category" : "external",
      "summary" : "https://docs.redhat.com/en/documentation/red_hat_satellite/6.19/html/installing_satellite_server_in_a_connected_network_environment/performing-additional-configuration-on-server_satellite#installing-and-configuring-red-hat-lightspeed-in-satellite",
      "url" : "https://docs.redhat.com/en/documentation/red_hat_satellite/6.19/html/installing_satellite_server_in_a_connected_network_environment/performing-additional-configuration-on-server_satellite#installing-and-configuring-red-hat-lightspeed-in-satellite"
    }, {
      "category" : "external",
      "summary" : "https://docs.redhat.com/en/documentation/red_hat_satellite/6.19/html/installing_satellite_server_in_a_disconnected_network_environment/performing-additional-configuration#installing-and-configuring-red-hat-lightspeed-in-satellite",
      "url" : "https://docs.redhat.com/en/documentation/red_hat_satellite/6.19/html/installing_satellite_server_in_a_disconnected_network_environment/performing-additional-configuration#installing-and-configuring-red-hat-lightspeed-in-satellite"
    }, {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_51194.json"
    } ],
    "title" : "Red Hat Security Advisory: Technical preview of the satellite/iop-vmaas-rhel9 container image",
    "tracking" : {
      "current_release_date" : "2026-08-27T02:23:13+00:00",
      "generator" : {
        "date" : "2026-08-27T02:23:13+00:00",
        "engine" : {
          "name" : "Red Hat SDEngine",
          "version" : "5.3.16"
        }
      },
      "id" : "RHSA-2026:51194",
      "initial_release_date" : "2026-08-06T17:21:13+00:00",
      "revision_history" : [ {
        "date" : "2026-08-06T17:21:13+00:00",
        "number" : "1",
        "summary" : "Initial version"
      }, {
        "date" : "2026-08-22T06:15:42+00:00",
        "number" : "2",
        "summary" : "Last updated version"
      }, {
        "date" : "2026-08-27T02:23:13+00:00",
        "number" : "3",
        "summary" : "Last generated version"
      } ],
      "status" : "final",
      "version" : "3"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_name",
          "name" : "Red Hat Satellite 6.19",
          "product" : {
            "name" : "Red Hat Satellite 6.19",
            "product_id" : "Red Hat Satellite 6.19",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:redhat:satellite:6.19::el9"
            }
          }
        } ],
        "category" : "product_family",
        "name" : "Red Hat Satellite"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64",
          "product" : {
            "name" : "registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64",
            "product_id" : "registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64",
            "product_identification_helper" : {
              "purl" : "pkg:oci/iop-vmaas-rhel9@sha256%3Ac5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f?arch=amd64&repository_url=registry.redhat.io/satellite/iop-vmaas-rhel9&tag=1785929994"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "amd64"
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    } ],
    "relationships" : [ {
      "category" : "default_component_of",
      "full_product_name" : {
        "name" : "registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64 as a component of Red Hat Satellite 6.19",
        "product_id" : "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64"
      },
      "product_reference" : "registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64",
      "relates_to_product_reference" : "Red Hat Satellite 6.19"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-33811",
    "cwe" : {
      "id" : "CWE-1341",
      "name" : "Multiple Releases of Same Resource or Handle"
    },
    "discovery_date" : "2026-05-07T20:01:34.913869+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2467822"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in the `net` package of Go (golang), specifically when using the `LookupCNAME` function with the `cgo` DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name (CNAME) response. This can trigger a double-free of C memory, leading to a crash and a Denial of Service (DoS) for the affected application.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This is an Important denial of service vulnerability in the Go `net` package, affecting applications configured to use the `cgo` DNS resolver. A remote attacker could trigger a double-free memory error by providing a very long CNAME response, leading to a crash of the vulnerable application and impacting service availability.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
    "product_status" : {
      "fixed" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-33811"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2467822",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2467822"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-33811",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-33811"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-33811",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-33811"
    }, {
      "category" : "external",
      "summary" : "https://go.dev/cl/767860",
      "url" : "https://go.dev/cl/767860"
    }, {
      "category" : "external",
      "summary" : "https://go.dev/issue/78803",
      "url" : "https://go.dev/issue/78803"
    }, {
      "category" : "external",
      "summary" : "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
      "url" : "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
    }, {
      "category" : "external",
      "summary" : "https://pkg.go.dev/vuln/GO-2026-4981",
      "url" : "https://pkg.go.dev/vuln/GO-2026-4981"
    } ],
    "release_date" : "2026-05-07T19:41:19.285000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-08-06T17:21:13+00:00",
      "details" : "For Red Hat Lightspeed in Satellite installation see the Red Hat Satellite documentation.",
      "product_ids" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:51194"
    }, {
      "category" : "workaround",
      "details" : "To mitigate this issue, applications can be configured to use the pure Go DNS resolver instead of the `cgo` DNS resolver. This can be achieved by setting the `GODEBUG` environment variable to `netdns=go`. For example, to run a Go application with this mitigation: `GODEBUG=netdns=go /path/to/your/go/application`. This change may require restarting affected applications or services to take effect. Users should verify that this change does not negatively impact DNS resolution for their specific application environment.",
      "product_ids" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ]
    } ],
    "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 Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME"
  }, {
    "cve" : "CVE-2026-39821",
    "cwe" : {
      "id" : "CWE-1289",
      "name" : "Improper Validation of Unsafe Equivalence in Input"
    },
    "discovery_date" : "2026-05-22T16:00:52.844126+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2480756"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname (for example, xn--example-.com returns example.com instead of an error). Applications that validate the ASCII form then convert to Unicode may grant access to a restricted hostname the ASCII check would have rejected.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "golang.org/x/net/idna is vulnerable to privilege escalation through incorrect Punycode label handling in ToASCII and ToUnicode. An attacker who can supply a Punycode hostname that passes an ASCII-only authorization check may have it normalized to a restricted ASCII name the application intended to block. Red Hat exposure is broad across products shipping the Go toolchain or bundling golang.org/x/net, including RHEL and RHEL-AI golang RPMs, hummingbird Go runtimes, OpenShift and ODF container builds, and Ceph/OpenShift components compiled against affected x/net versions.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
    "product_status" : {
      "fixed" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-39821"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2480756",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2480756"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-39821",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-39821"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-39821",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-39821"
    }, {
      "category" : "external",
      "summary" : "https://go.dev/cl/767220",
      "url" : "https://go.dev/cl/767220"
    }, {
      "category" : "external",
      "summary" : "https://go.dev/issue/78760",
      "url" : "https://go.dev/issue/78760"
    }, {
      "category" : "external",
      "summary" : "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8",
      "url" : "https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8"
    }, {
      "category" : "external",
      "summary" : "https://pkg.go.dev/vuln/GO-2026-5026",
      "url" : "https://pkg.go.dev/vuln/GO-2026-5026"
    } ],
    "release_date" : "2026-05-22T15:01:21.462000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-08-06T17:21:13+00:00",
      "details" : "For Red Hat Lightspeed in Satellite installation see the Red Hat Satellite documentation.",
      "product_ids" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:51194"
    }, {
      "category" : "workaround",
      "details" : "Upgrade to a fixed golang.org/x/net release that includes the idna correction, via updated golang or dependent package rebuilds.",
      "product_ids" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ]
    } ],
    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "HIGH",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "NONE",
        "baseScore" : 8.2,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "HIGH",
        "privilegesRequired" : "LOW",
        "scope" : "CHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
        "version" : "3.1"
      },
      "products" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing"
  }, {
    "cve" : "CVE-2026-42561",
    "cwe" : {
      "id" : "CWE-606",
      "name" : "Unchecked Input for Loop Condition"
    },
    "discovery_date" : "2026-05-13T22:01:05.319675+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2477309"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in python-multipart. A remote attacker can exploit this denial of service (DoS) vulnerability by sending a specially crafted request with an excessive number of part headers or a single very large header value during multipart/form-data parsing. This can lead to excessive CPU utilization, resulting in a denial of service for the affected system.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "python-multipart: python-multipart: Denial of Service via excessive multipart part headers",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This is an Important denial of service vulnerability in python-multipart. A remote attacker can trigger excessive CPU utilization by sending specially crafted multipart/form-data requests, leading to service disruption.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
    "product_status" : {
      "fixed" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-42561"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2477309",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2477309"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-42561",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-42561"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-42561",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-42561"
    }, {
      "category" : "external",
      "summary" : "https://github.com/Kludex/python-multipart/security/advisories/GHSA-pp6c-gr5w-3c5g",
      "url" : "https://github.com/Kludex/python-multipart/security/advisories/GHSA-pp6c-gr5w-3c5g"
    } ],
    "release_date" : "2026-05-13T20:55:11.767000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-08-06T17:21:13+00:00",
      "details" : "For Red Hat Lightspeed in Satellite installation see the Red Hat Satellite documentation.",
      "product_ids" : [ "Red Hat Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:51194"
    } ],
    "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 Satellite 6.19:registry.redhat.io/satellite/iop-vmaas-rhel9@sha256:c5674748f760874d42a46d918ce7bb9f39c6beb2607b6644ba490e6c7712ae5f_amd64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "python-multipart: python-multipart: Denial of Service via excessive multipart part headers"
  } ]
}