{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for Red Hat Hardened Images RPMs is now available.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "This update includes the following RPMs:\n\nllvm:\n  * clang-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * clang-analyzer-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * clang-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * clang-libs-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * clang-resource-filesystem-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * clang-tools-extra-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * clang-tools-extra-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * compiler-rt-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * git-clang-format-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * libcxx-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * libcxx-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * libcxx-static-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * libcxxabi-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * libcxxabi-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * libcxxabi-static-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * libomp-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * libomp-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * lld-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * lld-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * lld-libs-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * lldb-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * lldb-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-bolt-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-cmake-utils-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-doc-21.1.8-1.1.hum1 (noarch)\n  * llvm-filesystem-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-googletest-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-libs-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-libunwind-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-libunwind-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-libunwind-static-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-static-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-test-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * mlir-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * mlir-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * mlir-static-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * polly-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * polly-devel-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * python3-clang-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * python3-lit-21.1.8-1.1.hum1 (noarch)\n  * python3-lldb-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * python3-mlir-21.1.8-1.1.hum1 (aarch64, x86_64)\n  * llvm-21.1.8-1.1.hum1.src (src)",
        "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-2026:7634",
        "url": "https://access.redhat.com/errata/RHSA-2026:7634"
      },
      {
        "category": "external",
        "summary": "https://images.redhat.com/",
        "url": "https://images.redhat.com/"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/cve/CVE-2026-45149",
        "url": "https://access.redhat.com/security/cve/CVE-2026-45149"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/",
        "url": "https://access.redhat.com/security/updates/classification/"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/cve/CVE-2026-44432",
        "url": "https://access.redhat.com/security/cve/CVE-2026-44432"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7634.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update",
    "tracking": {
      "current_release_date": "2026-06-19T06:24:35+00:00",
      "generator": {
        "date": "2026-06-19T06:24:35+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "5.0.0"
        }
      },
      "id": "RHSA-2026:7634",
      "initial_release_date": "2026-04-11T00:15:28+00:00",
      "revision_history": [
        {
          "date": "2026-04-11T00:15:28+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-06-18T13:18:53+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2026-06-19T06:24:35+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Hardened Images",
                "product": {
                  "name": "Red Hat Hardened Images",
                  "product_id": "Red Hat Hardened Images",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:hummingbird:1"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Hardened Images"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "llvm-main@aarch64",
                "product": {
                  "name": "llvm-main@aarch64",
                  "product_id": "llvm-main@aarch64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/clang@21.1.8-1.1.hum1?arch=aarch64\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-aarch64-rpms"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "aarch64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "llvm-main@x86_64",
                "product": {
                  "name": "llvm-main@x86_64",
                  "product_id": "llvm-main@x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/clang@21.1.8-1.1.hum1?arch=x86_64\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-x86_64-rpms"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "llvm-main@src",
                "product": {
                  "name": "llvm-main@src",
                  "product_id": "llvm-main@src",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/llvm@21.1.8-1.1.hum1?arch=src\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-source-rpms"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "src"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "llvm-main@noarch",
                "product": {
                  "name": "llvm-main@noarch",
                  "product_id": "llvm-main@noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/llvm-doc@21.1.8-1.1.hum1?arch=noarch\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-x86_64-rpms"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "llvm-main@aarch64 as a component of Red Hat Hardened Images",
          "product_id": "Red Hat Hardened Images:llvm-main@aarch64"
        },
        "product_reference": "llvm-main@aarch64",
        "relates_to_product_reference": "Red Hat Hardened Images"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "llvm-main@noarch as a component of Red Hat Hardened Images",
          "product_id": "Red Hat Hardened Images:llvm-main@noarch"
        },
        "product_reference": "llvm-main@noarch",
        "relates_to_product_reference": "Red Hat Hardened Images"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "llvm-main@src as a component of Red Hat Hardened Images",
          "product_id": "Red Hat Hardened Images:llvm-main@src"
        },
        "product_reference": "llvm-main@src",
        "relates_to_product_reference": "Red Hat Hardened Images"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "llvm-main@x86_64 as a component of Red Hat Hardened Images",
          "product_id": "Red Hat Hardened Images:llvm-main@x86_64"
        },
        "product_reference": "llvm-main@x86_64",
        "relates_to_product_reference": "Red Hat Hardened Images"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-44432",
      "cwe": {
        "id": "CWE-409",
        "name": "Improper Handling of Highly Compressed Data (Data Amplification)"
      },
      "discovery_date": "2026-05-13T17:01:01.083841+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2477154"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in urllib3, an HTTP client library for Python. This vulnerability allows a remote attacker to cause excessive resource consumption, such as high CPU usage and massive memory allocation, on the client side. This occurs when urllib3 attempts to decompress an entire HTTP response, even if only a partial read was requested, or when draining the connection after a partial decompression. This can lead to a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "urllib3: urllib3: Denial of Service due to excessive HTTP response decompression",
          "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:llvm-main@aarch64",
          "Red Hat Hardened Images:llvm-main@noarch",
          "Red Hat Hardened Images:llvm-main@src",
          "Red Hat Hardened Images:llvm-main@x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-44432"
        },
        {
          "category": "external",
          "summary": "RHBZ#2477154",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477154"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-44432",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-44432"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-44432",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44432"
        },
        {
          "category": "external",
          "summary": "https://github.com/urllib3/urllib3/security/advisories/GHSA-mf9v-mfxr-j63j",
          "url": "https://github.com/urllib3/urllib3/security/advisories/GHSA-mf9v-mfxr-j63j"
        }
      ],
      "release_date": "2026-05-13T15:17:12.611000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-11T00:15:28+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:llvm-main@aarch64",
            "Red Hat Hardened Images:llvm-main@noarch",
            "Red Hat Hardened Images:llvm-main@src",
            "Red Hat Hardened Images:llvm-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:7634"
        }
      ],
      "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:llvm-main@aarch64",
            "Red Hat Hardened Images:llvm-main@noarch",
            "Red Hat Hardened Images:llvm-main@src",
            "Red Hat Hardened Images:llvm-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "urllib3: urllib3: Denial of Service due to excessive HTTP response decompression"
    },
    {
      "cve": "CVE-2026-45149",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-05-29T21:02:00.092772+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2483481"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the brace-expansion library. This vulnerability allows an attacker to cause a Denial of Service (DoS) by providing a large numeric range for expansion. The library allocates excessive memory to generate all intermediate elements before applying the maximum limit, leading to high memory consumption and potential application crashes. This can impact the availability of systems using the library.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "brace-expansion: brace-expansion: Denial of Service due to excessive memory allocation when expanding large numeric ranges",
          "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:llvm-main@aarch64",
          "Red Hat Hardened Images:llvm-main@noarch",
          "Red Hat Hardened Images:llvm-main@src",
          "Red Hat Hardened Images:llvm-main@x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-45149"
        },
        {
          "category": "external",
          "summary": "RHBZ#2483481",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483481"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-45149",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-45149"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-45149",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45149"
        },
        {
          "category": "external",
          "summary": "https://github.com/juliangruber/brace-expansion/security/advisories/GHSA-jxxr-4gwj-5jf2",
          "url": "https://github.com/juliangruber/brace-expansion/security/advisories/GHSA-jxxr-4gwj-5jf2"
        }
      ],
      "release_date": "2026-05-29T19:55:07.337000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-11T00:15:28+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:llvm-main@aarch64",
            "Red Hat Hardened Images:llvm-main@noarch",
            "Red Hat Hardened Images:llvm-main@src",
            "Red Hat Hardened Images:llvm-main@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:7634"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:llvm-main@aarch64",
            "Red Hat Hardened Images:llvm-main@noarch",
            "Red Hat Hardened Images:llvm-main@src",
            "Red Hat Hardened Images:llvm-main@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "brace-expansion: brace-expansion: Denial of Service due to excessive memory allocation when expanding large numeric ranges"
    }
  ]
}