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      "text" : "Moderate"
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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\nlibgcrypt:\n  * libgcrypt-1.12.2-1.hum1 (aarch64, x86_64)\n  * libgcrypt-devel-1.12.2-1.hum1 (aarch64, x86_64)\n  * libgcrypt-1.12.2-1.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"
    } ],
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      "category" : "self",
      "summary" : "https://access.redhat.com/errata/RHSA-2026:8466",
      "url" : "https://access.redhat.com/errata/RHSA-2026:8466"
    }, {
      "category" : "external",
      "summary" : "https://images.redhat.com/",
      "url" : "https://images.redhat.com/"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-41989",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-41989"
    }, {
      "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-2026-41990",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-41990"
    }, {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_8466.json"
    } ],
    "title" : "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update",
    "tracking" : {
      "current_release_date" : "2026-04-30T23:07:46+00:00",
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      "id" : "RHSA-2026:8466",
      "initial_release_date" : "2026-04-16T13:14:38+00:00",
      "revision_history" : [ {
        "date" : "2026-04-16T13:14:38+00:00",
        "number" : "1",
        "summary" : "Initial version"
      }, {
        "date" : "2026-04-30T22:15:18+00:00",
        "number" : "2",
        "summary" : "Last updated version"
      }, {
        "date" : "2026-04-30T23:07:46+00:00",
        "number" : "3",
        "summary" : "Last generated version"
      } ],
      "status" : "final",
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    }
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              "cpe" : "cpe:/a:redhat:hummingbird:1"
            }
          }
        } ],
        "category" : "product_family",
        "name" : "Red Hat Hardened Images"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "libgcrypt-main@aarch64",
          "product" : {
            "name" : "libgcrypt-main@aarch64",
            "product_id" : "libgcrypt-main@aarch64",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/libgcrypt@1.12.2-1.hum1?arch=aarch64&distro=hummingbird-20251124&repository_id=public-hummingbird-aarch64-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "aarch64"
      }, {
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          "name" : "libgcrypt-main@src",
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              "purl" : "pkg:rpm/redhat/libgcrypt@1.12.2-1.hum1?arch=src&distro=hummingbird-20251124&repository_id=public-hummingbird-source-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "src"
      }, {
        "branches" : [ {
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          "name" : "libgcrypt-main@x86_64",
          "product" : {
            "name" : "libgcrypt-main@x86_64",
            "product_id" : "libgcrypt-main@x86_64",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/libgcrypt@1.12.2-1.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" : "Red Hat"
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      "full_product_name" : {
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        "product_id" : "Red Hat Hardened Images:libgcrypt-main@aarch64"
      },
      "product_reference" : "libgcrypt-main@aarch64",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    }, {
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      "full_product_name" : {
        "name" : "libgcrypt-main@src as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:libgcrypt-main@src"
      },
      "product_reference" : "libgcrypt-main@src",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    }, {
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      "full_product_name" : {
        "name" : "libgcrypt-main@x86_64 as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:libgcrypt-main@x86_64"
      },
      "product_reference" : "libgcrypt-main@x86_64",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-41989",
    "cwe" : {
      "id" : "CWE-131",
      "name" : "Incorrect Calculation of Buffer Size"
    },
    "discovery_date" : "2026-04-23T05:00:56.113348+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2461063"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in Libgcrypt. A remote attacker could exploit this vulnerability by sending crafted Elliptic Curve Diffie-Hellman (ECDH) ciphertext to the `gcry_pk_decrypt` function. This can lead to a heap-based buffer overflow, potentially causing a denial of service (DoS) condition.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext",
      "title" : "Vulnerability summary"
    }, {
      "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:libgcrypt-main@aarch64", "Red Hat Hardened Images:libgcrypt-main@src", "Red Hat Hardened Images:libgcrypt-main@x86_64" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-41989"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2461063",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2461063"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-41989",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-41989"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-41989",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-41989"
    }, {
      "category" : "external",
      "summary" : "https://dev.gnupg.org/T8211",
      "url" : "https://dev.gnupg.org/T8211"
    }, {
      "category" : "external",
      "summary" : "https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html",
      "url" : "https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html"
    }, {
      "category" : "external",
      "summary" : "https://www.openwall.com/lists/oss-security/2026/04/21/1",
      "url" : "https://www.openwall.com/lists/oss-security/2026/04/21/1"
    } ],
    "release_date" : "2026-04-23T04:30:26.124000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-04-16T13:14:38+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:libgcrypt-main@aarch64", "Red Hat Hardened Images:libgcrypt-main@src", "Red Hat Hardened Images:libgcrypt-main@x86_64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:8466"
    }, {
      "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:libgcrypt-main@aarch64", "Red Hat Hardened Images:libgcrypt-main@src", "Red Hat Hardened Images:libgcrypt-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:libgcrypt-main@aarch64", "Red Hat Hardened Images:libgcrypt-main@src", "Red Hat Hardened Images:libgcrypt-main@x86_64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Moderate"
    } ],
    "title" : "Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext"
  }, {
    "cve" : "CVE-2026-41990",
    "cwe" : {
      "id" : "CWE-787",
      "name" : "Out-of-bounds Write"
    },
    "discovery_date" : "2026-04-23T05:01:20.381118+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2461068"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in Libgcrypt. During Dilithium signing operations, the library fails to perform a bounds check when writing to a static array. While the data involved is not directly controlled by an attacker, this vulnerability could lead to memory corruption, potentially resulting in a denial of service (DoS) or affecting data integrity.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "Libgcrypt: Libgcrypt: Denial of Service or data integrity issues from missing bounds check during Dilithium signing.",
      "title" : "Vulnerability summary"
    }, {
      "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:libgcrypt-main@aarch64", "Red Hat Hardened Images:libgcrypt-main@src", "Red Hat Hardened Images:libgcrypt-main@x86_64" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-41990"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2461068",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2461068"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-41990",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-41990"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-41990",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-41990"
    }, {
      "category" : "external",
      "summary" : "https://dev.gnupg.org/T8208",
      "url" : "https://dev.gnupg.org/T8208"
    }, {
      "category" : "external",
      "summary" : "https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html",
      "url" : "https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html"
    }, {
      "category" : "external",
      "summary" : "https://www.openwall.com/lists/oss-security/2026/04/21/1",
      "url" : "https://www.openwall.com/lists/oss-security/2026/04/21/1"
    } ],
    "release_date" : "2026-04-23T04:39:04.524000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-04-16T13:14:38+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:libgcrypt-main@aarch64", "Red Hat Hardened Images:libgcrypt-main@src", "Red Hat Hardened Images:libgcrypt-main@x86_64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:8466"
    }, {
      "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:libgcrypt-main@aarch64", "Red Hat Hardened Images:libgcrypt-main@src", "Red Hat Hardened Images:libgcrypt-main@x86_64" ]
    } ],
    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "HIGH",
        "attackVector" : "LOCAL",
        "availabilityImpact" : "LOW",
        "baseScore" : 3.3,
        "baseSeverity" : "LOW",
        "confidentialityImpact" : "NONE",
        "integrityImpact" : "LOW",
        "privilegesRequired" : "LOW",
        "scope" : "UNCHANGED",
        "userInteraction" : "REQUIRED",
        "vectorString" : "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:L",
        "version" : "3.1"
      },
      "products" : [ "Red Hat Hardened Images:libgcrypt-main@aarch64", "Red Hat Hardened Images:libgcrypt-main@src", "Red Hat Hardened Images:libgcrypt-main@x86_64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Low"
    } ],
    "title" : "Libgcrypt: Libgcrypt: Denial of Service or data integrity issues from missing bounds check during Dilithium signing."
  } ]
}