{
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      "text" : "Important"
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    "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" : "An update for Red Hat Hardened Images RPMs is now available.",
      "title" : "Topic"
    }, {
      "category" : "general",
      "text" : "This update includes the following RPMs:\n\ncaddy:\n  * caddy-2.11.4-0.3.hum1 (aarch64, x86_64)\n  * caddy-2.11.4-0.3.hum1.src (src)\n\nSecurity Fix(es):\n\ncaddy:\n  * CVE-2026-56852",
      "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-2026:44151",
      "url" : "https://access.redhat.com/errata/RHSA-2026:44151"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-56852",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-56852"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/updates/classification/",
      "url" : "https://access.redhat.com/security/updates/classification/"
    }, {
      "category" : "external",
      "summary" : "https://images.redhat.com/",
      "url" : "https://images.redhat.com/"
    }, {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_44151.json"
    } ],
    "title" : "Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update",
    "tracking" : {
      "current_release_date" : "2026-08-26T04:17:55+00:00",
      "generator" : {
        "date" : "2026-08-26T04:17:55+00:00",
        "engine" : {
          "name" : "Red Hat SDEngine",
          "version" : "5.3.16"
        }
      },
      "id" : "RHSA-2026:44151",
      "initial_release_date" : "2026-07-23T03:03:11+00:00",
      "revision_history" : [ {
        "date" : "2026-07-23T03:03:11+00:00",
        "number" : "1",
        "summary" : "Initial version"
      }, {
        "date" : "2026-08-22T06:15:42+00:00",
        "number" : "2",
        "summary" : "Last updated version"
      }, {
        "date" : "2026-08-26T04:17:55+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" : "caddy-main@aarch64",
          "product" : {
            "name" : "caddy-main@aarch64",
            "product_id" : "caddy-main@aarch64",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/caddy@2.11.4-0.3.hum1?arch=aarch64&distro=hummingbird-20251124&repository_id=public-hummingbird-aarch64-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "aarch64"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "caddy-main@src",
          "product" : {
            "name" : "caddy-main@src",
            "product_id" : "caddy-main@src",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/caddy@2.11.4-0.3.hum1?arch=src&distro=hummingbird-20251124&repository_id=public-hummingbird-source-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "src"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "caddy-main@x86_64",
          "product" : {
            "name" : "caddy-main@x86_64",
            "product_id" : "caddy-main@x86_64",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/caddy@2.11.4-0.3.hum1?arch=x86_64&distro=hummingbird-20251124&repository_id=public-hummingbird-x86_64-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "x86_64"
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    } ],
    "relationships" : [ {
      "category" : "default_component_of",
      "full_product_name" : {
        "name" : "caddy-main@aarch64 as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:caddy-main@aarch64"
      },
      "product_reference" : "caddy-main@aarch64",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    }, {
      "category" : "default_component_of",
      "full_product_name" : {
        "name" : "caddy-main@src as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:caddy-main@src"
      },
      "product_reference" : "caddy-main@src",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    }, {
      "category" : "default_component_of",
      "full_product_name" : {
        "name" : "caddy-main@x86_64 as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:caddy-main@x86_64"
      },
      "product_reference" : "caddy-main@x86_64",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-56852",
    "cwe" : {
      "id" : "CWE-835",
      "name" : "Loop with Unreachable Exit Condition ('Infinite Loop')"
    },
    "discovery_date" : "2026-07-21T20:01:56.266823+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2504233"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in golang.org/x/text. The norm.Iter component can enter an infinite loop when processing input that contains invalid UTF-8 (Unicode Transformation Format - 8-bit) bytes. A remote attacker could exploit this vulnerability by providing specially crafted input, leading to a Denial of Service (DoS) condition where the affected application becomes unresponsive.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "golang.org/x/text: golang.org/x/text: Denial of Service via invalid UTF-8 input",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "Important: This flaw in the `golang.org/x/text` library can lead to a denial of service. An attacker could provide specially crafted invalid UTF-8 input to an application using the affected `norm.Iter` functionality, causing it to enter an infinite loop and become unresponsive.",
      "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:caddy-main@aarch64", "Red Hat Hardened Images:caddy-main@src", "Red Hat Hardened Images:caddy-main@x86_64" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-56852"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2504233",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2504233"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-56852",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-56852"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-56852",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-56852"
    }, {
      "category" : "external",
      "summary" : "https://go.dev/cl/794100",
      "url" : "https://go.dev/cl/794100"
    }, {
      "category" : "external",
      "summary" : "https://go.dev/issue/80142",
      "url" : "https://go.dev/issue/80142"
    }, {
      "category" : "external",
      "summary" : "https://pkg.go.dev/vuln/GO-2026-5970",
      "url" : "https://pkg.go.dev/vuln/GO-2026-5970"
    } ],
    "release_date" : "2026-07-21T19:18:59.951000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-07-23T03:03:11+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:caddy-main@aarch64", "Red Hat Hardened Images:caddy-main@src", "Red Hat Hardened Images:caddy-main@x86_64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:44151"
    }, {
      "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:caddy-main@aarch64", "Red Hat Hardened Images:caddy-main@src", "Red Hat Hardened Images:caddy-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:caddy-main@aarch64", "Red Hat Hardened Images:caddy-main@src", "Red Hat Hardened Images:caddy-main@x86_64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "golang.org/x/text: golang.org/x/text: Denial of Service via invalid UTF-8 input"
  } ]
}