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    "distribution" : {
      "text" : "Copyright © 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\nhttpd:\n  * httpd-2.4.68-1.hum1 (aarch64, x86_64)\n  * httpd-core-2.4.68-1.hum1 (aarch64, x86_64)\n  * httpd-devel-2.4.68-1.hum1 (aarch64, x86_64)\n  * httpd-filesystem-2.4.68-1.hum1 (noarch)\n  * httpd-manual-2.4.68-1.hum1 (noarch)\n  * httpd-tools-2.4.68-1.hum1 (aarch64, x86_64)\n  * mod_ldap-2.4.68-1.hum1 (aarch64, x86_64)\n  * mod_lua-2.4.68-1.hum1 (aarch64, x86_64)\n  * mod_proxy_html-2.4.68-1.hum1 (aarch64, x86_64)\n  * mod_session-2.4.68-1.hum1 (aarch64, x86_64)\n  * mod_ssl-2.4.68-1.hum1 (aarch64, x86_64)\n  * httpd-2.4.68-1.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",
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    "references" : [ {
      "category" : "self",
      "summary" : "https://access.redhat.com/errata/RHSA-2026:25042",
      "url" : "https://access.redhat.com/errata/RHSA-2026:25042"
    }, {
      "category" : "external",
      "summary" : "https://images.redhat.com/",
      "url" : "https://images.redhat.com/"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-49975",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-49975"
    }, {
      "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-2026-44186",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-44186"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-44631",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-44631"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-34355",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-34355"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-34356",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-34356"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-42535",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-42535"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-42536",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-42536"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-43951",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-43951"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-48913",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-48913"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-29167",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-29167"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-44185",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-44185"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-44119",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-44119"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-29170",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-29170"
    }, {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_25042.json"
    } ],
    "title" : "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update",
    "tracking" : {
      "current_release_date" : "2026-06-18T14:54:01+00:00",
      "generator" : {
        "date" : "2026-06-18T14:54:01+00:00",
        "engine" : {
          "name" : "Red Hat SDEngine",
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      },
      "id" : "RHSA-2026:25042",
      "initial_release_date" : "2026-06-10T09:40:49+00:00",
      "revision_history" : [ {
        "date" : "2026-06-10T09:40:49+00:00",
        "number" : "1",
        "summary" : "Initial version"
      }, {
        "date" : "2026-06-10T15:51:10+00:00",
        "number" : "2",
        "summary" : "Last updated version"
      }, {
        "date" : "2026-06-18T14:54:01+00:00",
        "number" : "3",
        "summary" : "Last generated version"
      } ],
      "status" : "final",
      "version" : "3"
    }
  },
  "product_tree" : {
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      "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" : [ {
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          "name" : "httpd-main@aarch64",
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            "product_id" : "httpd-main@aarch64",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/httpd@2.4.68-1.hum1?arch=aarch64&distro=hummingbird-20251124&repository_id=public-hummingbird-aarch64-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "aarch64"
      }, {
        "branches" : [ {
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          "name" : "httpd-main@src",
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          }
        } ],
        "category" : "architecture",
        "name" : "src"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "httpd-main@x86_64",
          "product" : {
            "name" : "httpd-main@x86_64",
            "product_id" : "httpd-main@x86_64",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/httpd@2.4.68-1.hum1?arch=x86_64&distro=hummingbird-20251124&repository_id=public-hummingbird-x86_64-rpms"
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          }
        } ],
        "category" : "architecture",
        "name" : "x86_64"
      }, {
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          "name" : "httpd-main@noarch",
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            "name" : "httpd-main@noarch",
            "product_id" : "httpd-main@noarch",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/httpd-filesystem@2.4.68-1.hum1?arch=noarch&distro=hummingbird-20251124&repository_id=public-hummingbird-x86_64-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "noarch"
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      "category" : "vendor",
      "name" : "Red Hat"
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    "relationships" : [ {
      "category" : "default_component_of",
      "full_product_name" : {
        "name" : "httpd-main@aarch64 as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:httpd-main@aarch64"
      },
      "product_reference" : "httpd-main@aarch64",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    }, {
      "category" : "default_component_of",
      "full_product_name" : {
        "name" : "httpd-main@noarch as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:httpd-main@noarch"
      },
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      "relates_to_product_reference" : "Red Hat Hardened Images"
    }, {
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      "full_product_name" : {
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        "product_id" : "Red Hat Hardened Images:httpd-main@src"
      },
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      "relates_to_product_reference" : "Red Hat Hardened Images"
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        "product_id" : "Red Hat Hardened Images:httpd-main@x86_64"
      },
      "product_reference" : "httpd-main@x86_64",
      "relates_to_product_reference" : "Red Hat Hardened Images"
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  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-49975",
    "cwe" : {
      "id" : "CWE-409",
      "name" : "Improper Handling of Highly Compressed Data (Data Amplification)"
    },
    "discovery_date" : "2026-06-05T06:04:44.009000+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2485371"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are then held, leading to a denial of service (DoS) by rendering the server inaccessible.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "The Apache's `httpd` HTTP/2 protocol implementation has a denial-of-service (DoS) vulnerability that is rated as Important. An unauthenticated remote attacker can exploit this flaw by combining HPACK compression with flow control manipulation, leading to significant server memory exhaustion and rendering the service inaccessible. This vulnerability exists in default HTTP/2 configurations.",
      "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 Hardened Images:httpd-main@aarch64", "Red Hat Hardened Images:httpd-main@noarch", "Red Hat Hardened Images:httpd-main@src", "Red Hat Hardened Images:httpd-main@x86_64" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-49975"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2485371",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2485371"
    }, {
      "category" : "external",
      "summary" : "RHSB-2026-007",
      "url" : "https://access.redhat.com/security/vulnerabilities/RHSB-2026-007"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-49975",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-49975"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-49975",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-49975"
    }, {
      "category" : "external",
      "summary" : "https://blog.calif.io/p/codex-discovered-a-hidden-http2-bomb",
      "url" : "https://blog.calif.io/p/codex-discovered-a-hidden-http2-bomb"
    } ],
    "release_date" : "2026-06-03T00:00:00+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-06-10T09:40:49+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:httpd-main@aarch64", "Red Hat Hardened Images:httpd-main@noarch", "Red Hat Hardened Images:httpd-main@src", "Red Hat Hardened Images:httpd-main@x86_64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:25042"
    }, {
      "category" : "workaround",
      "details" : "See the security bulletin for a detailed mitigation procedure.",
      "product_ids" : [ "Red Hat Hardened Images:httpd-main@aarch64", "Red Hat Hardened Images:httpd-main@noarch", "Red Hat Hardened Images:httpd-main@src", "Red Hat Hardened Images:httpd-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:httpd-main@aarch64", "Red Hat Hardened Images:httpd-main@noarch", "Red Hat Hardened Images:httpd-main@src", "Red Hat Hardened Images:httpd-main@x86_64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack"
  } ]
}