{
  "document": {
    "aggregate_severity": {
      "text": "Critical"
    },
    "category": "csaf_security_advisory",
    "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"
      },
      {
        "category": "details",
        "text": "CVE-2023-4156: builtin.c (format_tree): when collecting positional field widths or precisions, check for wrap around to negative values\n- CVE-2026-40469: builtin.c (sub_common): check for overflow in the result buffer size calculation using 64-bit math, failing with a fatal error instead of corrupting the heap on 32-bit builds",
        "title": "Details"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792508988",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792508988"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/centos6els/advisories/2026/clsa-2026_1792508988.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-10-22T20:00:50Z",
      "generator": {
        "date": "2026-10-22T20:00:50Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1792508988",
      "initial_release_date": "2026-10-20T15:09:50Z",
      "revision_history": [
        {
          "date": "2026-10-20T15:09:50Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-10-22T20:00:50Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "gawk: Fix of 3 CVEs"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Community Enterprise Operating System 6",
                "product": {
                  "name": "Community Enterprise Operating System 6",
                  "product_id": "CentOS-6",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:centos:centos:6:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Community Enterprise Operating System"
          }
        ],
        "category": "vendor",
        "name": "Red Hat, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64",
                "product": {
                  "name": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64",
                  "product_id": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gawk@3.1.7-10.el6_7.3.tuxcare.els2?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
                "product": {
                  "name": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
                  "product_id": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/gawk@3.1.7-10.el6_7.3.tuxcare.els2?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64 as a component of Community Enterprise Operating System 6",
          "product_id": "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64"
        },
        "product_reference": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64",
        "relates_to_product_reference": "CentOS-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686 as a component of Community Enterprise Operating System 6",
          "product_id": "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686"
        },
        "product_reference": "gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
        "relates_to_product_reference": "CentOS-6"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-40469",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "notes": [
        {
          "category": "description",
          "text": "Integer overflow vulnerability has been found in \"builtin.c\" program file of gawk (do_sub() routine). This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5.4.0 and below.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
          "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-40469"
        },
        {
          "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=ae1b2d508f46913269a9e62aceda3636afe8147b",
          "url": "https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=ae1b2d508f46913269a9e62aceda3636afe8147b"
        }
      ],
      "release_date": "2026-07-13T13:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-20T15:09:50.453529Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792508988",
          "product_ids": [
            "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
            "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792508988"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ]
    },
    {
      "cve": "CVE-2026-40468",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "notes": [
        {
          "category": "description",
          "text": "Integer overflow vulnerability has been found in \"builtin.c\" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
          "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-40468"
        },
        {
          "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=062f2f2581b991362c046f7f2e238ffa34e6f8c7",
          "url": "https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=062f2f2581b991362c046f7f2e238ffa34e6f8c7"
        }
      ],
      "release_date": "2026-07-13T13:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-20T15:09:50.453529Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792508988",
          "product_ids": [
            "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
            "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792508988"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ]
    },
    {
      "cve": "CVE-2023-4156",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "description",
          "text": "A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could be used to read sensitive information.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
          "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2023-4156"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2023-4156",
          "url": "https://access.redhat.com/security/cve/CVE-2023-4156"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2215930",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215930"
        }
      ],
      "release_date": "2023-09-25T18:15:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-20T15:09:50.453529Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1792508988",
          "product_ids": [
            "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.i686",
            "CentOS-6:gawk-0:3.1.7-10.el6_7.3.tuxcare.els2.x86_64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1792508988"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}