{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "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 Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/cloudlinux7els/vex/2026/cve-2026-40553-els_os-cloudlinux7els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-10-23T15:05:03Z",
      "generator": {
        "date": "2026-10-23T15:05:03Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-40553-ELS_OS-CLOUDLINUX7ELS",
      "initial_release_date": "2026-07-13T13:16:00Z",
      "revision_history": [
        {
          "date": "2026-07-13T13:16:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-10-23T15:05:03Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2026-40553"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "CloudLinux 7",
                "product": {
                  "name": "CloudLinux 7",
                  "product_id": "CloudLinux-7",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:cloudlinux:cloudlinux:7:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "CloudLinux"
          }
        ],
        "category": "vendor",
        "name": "Cloud Linux Software, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.x86_64",
                "product": {
                  "name": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.x86_64",
                  "product_id": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gawk@4.0.2-4.el7_3.1.tuxcare.els3?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.i686",
                "product": {
                  "name": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.i686",
                  "product_id": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gawk@4.0.2-4.el7_3.1.tuxcare.els3?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.x86_64 as a component of CloudLinux 7",
          "product_id": "CloudLinux-7:gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.x86_64"
        },
        "product_reference": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.x86_64",
        "relates_to_product_reference": "CloudLinux-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.i686 as a component of CloudLinux 7",
          "product_id": "CloudLinux-7:gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.i686"
        },
        "product_reference": "gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.i686",
        "relates_to_product_reference": "CloudLinux-7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-40553",
      "notes": [
        {
          "category": "description",
          "text": "Buffer overflow vulnerability has been found in \"extension/readdir.c\" program file of gawk (ftype() routine). This issue could be used to crash the program and potentially to achieve code execution, although the latter has not been confirmed to be feasible. It affects gawk in versions 5.4.0 and below.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "CloudLinux-7:gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.i686",
          "CloudLinux-7:gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-40553"
        },
        {
          "category": "external",
          "summary": "https://cert.pl/en/posts/2026/07/CVE-2026-40467",
          "url": "https://cert.pl/en/posts/2026/07/CVE-2026-40467"
        },
        {
          "category": "external",
          "summary": "https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=cca0366144336b49aaa7d5d949966ce8e2c70843",
          "url": "https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=cca0366144336b49aaa7d5d949966ce8e2c70843"
        }
      ],
      "release_date": "2026-07-13T13:16:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-10-15T22:11:12.321467Z",
          "details": "important",
          "product_ids": [
            "CloudLinux-7:gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.i686",
            "CloudLinux-7:gawk-0:4.0.2-4.el7_3.1.tuxcare.els3.x86_64"
          ]
        }
      ]
    }
  ]
}