{
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      "text" : "Low"
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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\ndiffutils:\n  * diffutils-3.12-6.1.hum1 (aarch64, x86_64)\n  * diffutils-3.12-6.1.hum1.src (src)\n\nSecurity Fix(es):\n\ndiffutils:\n  * CVE-2026-53910",
      "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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      "name" : "Red Hat Product Security",
      "namespace" : "https://www.redhat.com"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "https://access.redhat.com/errata/RHSA-2026:45327",
      "url" : "https://access.redhat.com/errata/RHSA-2026:45327"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/cve/CVE-2026-53910",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-53910"
    }, {
      "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_45327.json"
    } ],
    "title" : "Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update",
    "tracking" : {
      "current_release_date" : "2026-09-08T02:25:47+00:00",
      "generator" : {
        "date" : "2026-09-08T02:25:47+00:00",
        "engine" : {
          "name" : "Red Hat SDEngine",
          "version" : "5.3.16"
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      "id" : "RHSA-2026:45327",
      "initial_release_date" : "2026-07-24T14:31:11+00:00",
      "revision_history" : [ {
        "date" : "2026-07-24T14:31:11+00:00",
        "number" : "1",
        "summary" : "Initial version"
      }, {
        "date" : "2026-09-04T00:36:24+00:00",
        "number" : "2",
        "summary" : "Last updated version"
      }, {
        "date" : "2026-09-08T02:25:47+00:00",
        "number" : "3",
        "summary" : "Last generated version"
      } ],
      "status" : "final",
      "version" : "3"
    }
  },
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    "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"
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        } ],
        "category" : "product_family",
        "name" : "Red Hat Hardened Images"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "diffutils-main@aarch64",
          "product" : {
            "name" : "diffutils-main@aarch64",
            "product_id" : "diffutils-main@aarch64",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/diffutils@3.12-6.1.hum1?arch=aarch64&distro=hummingbird-20251124&repository_id=public-hummingbird-aarch64-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "aarch64"
      }, {
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          "name" : "diffutils-main@src",
          "product" : {
            "name" : "diffutils-main@src",
            "product_id" : "diffutils-main@src",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/diffutils@3.12-6.1.hum1?arch=src&distro=hummingbird-20251124&repository_id=public-hummingbird-source-rpms"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "src"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "diffutils-main@x86_64",
          "product" : {
            "name" : "diffutils-main@x86_64",
            "product_id" : "diffutils-main@x86_64",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/diffutils@3.12-6.1.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" : [ {
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      "full_product_name" : {
        "name" : "diffutils-main@aarch64 as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:diffutils-main@aarch64"
      },
      "product_reference" : "diffutils-main@aarch64",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    }, {
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      "full_product_name" : {
        "name" : "diffutils-main@src as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:diffutils-main@src"
      },
      "product_reference" : "diffutils-main@src",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    }, {
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      "full_product_name" : {
        "name" : "diffutils-main@x86_64 as a component of Red Hat Hardened Images",
        "product_id" : "Red Hat Hardened Images:diffutils-main@x86_64"
      },
      "product_reference" : "diffutils-main@x86_64",
      "relates_to_product_reference" : "Red Hat Hardened Images"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-53910",
    "cwe" : {
      "id" : "CWE-190",
      "name" : "Integer Overflow or Wraparound"
    },
    "discovery_date" : "2026-07-22T14:02:14.503146+00:00",
    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2506145"
    } ],
    "notes" : [ {
      "category" : "description",
      "text" : "A flaw was found in the diff3 program in the diffutils package. When processing specially crafted diff output, a heap-based buffer overflow can occur due to multiple signed integer overflows in line-mapping calculations. Incorrect arithmetic in mapping line ranges can result in corrupted values being used for memory allocation and loop bounds, resulting in a denial of service or memory corruption.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "diffutils: heap‑based buffer overflow due to multiple signed integer overflows in line‑mapping calculations",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "To exploit this vulnerability, an attacker needs to be able to control the output of the diff program used by diff3 (e.g., via --diff-program pointing to a malicious script) or convince a user to execute diff3 with specially crafted diff output. An attacker often needs prior execution privileges to supply the malicious diff output, meaning they already have the ability to execute arbitrary scripts on the system. Due to these reasons, this vulnerability has been rated with a low severity.",
      "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:diffutils-main@aarch64", "Red Hat Hardened Images:diffutils-main@src", "Red Hat Hardened Images:diffutils-main@x86_64" ]
    },
    "references" : [ {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://access.redhat.com/security/cve/CVE-2026-53910"
    }, {
      "category" : "external",
      "summary" : "RHBZ#2506145",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2506145"
    }, {
      "category" : "external",
      "summary" : "https://www.cve.org/CVERecord?id=CVE-2026-53910",
      "url" : "https://www.cve.org/CVERecord?id=CVE-2026-53910"
    }, {
      "category" : "external",
      "summary" : "https://nvd.nist.gov/vuln/detail/CVE-2026-53910",
      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-53910"
    }, {
      "category" : "external",
      "summary" : "https://cert.pl/en/posts/2026/07/CVE-2026-53910",
      "url" : "https://cert.pl/en/posts/2026/07/CVE-2026-53910"
    }, {
      "category" : "external",
      "summary" : "https://cgit.git.savannah.gnu.org/cgit/diffutils.git/commit/?id=73ed7ce85cc78effb94daf028c9af6b4e5252e50",
      "url" : "https://cgit.git.savannah.gnu.org/cgit/diffutils.git/commit/?id=73ed7ce85cc78effb94daf028c9af6b4e5252e50"
    }, {
      "category" : "external",
      "summary" : "https://cgit.git.savannah.gnu.org/cgit/diffutils.git/commit/?id=9ff04d5b84743e331e80b589335a52c5480d1815",
      "url" : "https://cgit.git.savannah.gnu.org/cgit/diffutils.git/commit/?id=9ff04d5b84743e331e80b589335a52c5480d1815"
    }, {
      "category" : "external",
      "summary" : "https://git.savannah.gnu.org/cgit/diffutils.git/",
      "url" : "https://git.savannah.gnu.org/cgit/diffutils.git/"
    } ],
    "release_date" : "2026-07-22T13:42:50.539000+00:00",
    "remediations" : [ {
      "category" : "vendor_fix",
      "date" : "2026-07-24T14:31:11+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:diffutils-main@aarch64", "Red Hat Hardened Images:diffutils-main@src", "Red Hat Hardened Images:diffutils-main@x86_64" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:45327"
    }, {
      "category" : "workaround",
      "details" : "To mitigate this vulnerability, do not run the diff3 program with untrusted input for the --diff-program argument or process untrusted diff output.",
      "product_ids" : [ "Red Hat Hardened Images:diffutils-main@aarch64", "Red Hat Hardened Images:diffutils-main@src", "Red Hat Hardened Images:diffutils-main@x86_64" ]
    } ],
    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "LOW",
        "attackVector" : "LOCAL",
        "availabilityImpact" : "LOW",
        "baseScore" : 5.3,
        "baseSeverity" : "MEDIUM",
        "confidentialityImpact" : "LOW",
        "integrityImpact" : "LOW",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "REQUIRED",
        "vectorString" : "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
        "version" : "3.1"
      },
      "products" : [ "Red Hat Hardened Images:diffutils-main@aarch64", "Red Hat Hardened Images:diffutils-main@src", "Red Hat Hardened Images:diffutils-main@x86_64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Low"
    } ],
    "title" : "diffutils: heap‑based buffer overflow due to multiple signed integer overflows in line‑mapping calculations"
  } ]
}