{
  "threat_severity" : "Important",
  "public_date" : "2026-07-14T18:45:33Z",
  "bugzilla" : {
    "description" : "dotnet: .NET Security Feature Bypass Vulnerability",
    "id" : "2500509",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2500509"
  },
  "cvss3" : {
    "cvss3_base_score" : "8.1",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-347",
  "details" : [ "Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.", "A flaw was found in .NET. An unauthorized attacker can exploit this vulnerability over a network due to improper verification of cryptographic signatures. This allows the attacker to bypass a critical security feature, potentially leading to significant compromise of confidentiality, integrity, and availability." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Hardened Images",
    "release_date" : "2026-07-20T00:00:00Z",
    "advisory" : "RHSA-2026:42145",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "package" : "dotnet8-0-main-8.0.129-2.1.hum1",
    "impact" : "important"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "dotnet10.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "dotnet8.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "dotnet9.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "dotnet10.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "dotnet8.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "dotnet9.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "dotnet10.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "dotnet8.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "dotnet9.0",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "fix_state" : "Not affected",
    "package_name" : "dotnet10.0",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "impact" : "important"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "fix_state" : "Affected",
    "package_name" : "dotnet9.0",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "impact" : "important"
  }, {
    "product_name" : "Red Hat OpenShift Dev Spaces",
    "fix_state" : "Not affected",
    "package_name" : "devspaces/udi-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_devspaces:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-47304\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47304\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47304" ],
  "name" : "CVE-2026-47304",
  "csaw" : false
}