{
  "document": {
    "aggregate_severity": {
      "text": "Low"
    },
    "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-2026-72712: stop parsing packet options on a zero-length option, preventing\n  an infinite allocation loop and out-of-memory abort in the NSE packet library",
        "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-2026:1789630245",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789630245"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/tuxcare9.6esu/advisories/2026/clsa-2026_1789630245.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-09-17T07:31:21Z",
      "generator": {
        "date": "2026-09-17T07:31:21Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1789630245",
      "initial_release_date": "2026-09-17T07:31:21Z",
      "revision_history": [
        {
          "date": "2026-09-17T07:31:21Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "nmap: Fix of CVE-2026-72712"
  },
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    {
      "cve": "CVE-2026-72712",
      "cwe": {
        "id": "CWE-835",
        "name": "Loop with Unreachable Exit Condition ('Infinite Loop')"
      },
      "notes": [
        {
          "category": "description",
          "text": "Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parse_options() function in nselib/packet.lua to allocate objects in an infinite loop, causing an out-of-memory condition that results in application crash.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
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          "AlmaLinux-9.6:nmap-ncat-3:7.92-3.el9_6.tuxcare.els2.x86_64",
          "Rocky Linux-9.6:nmap-3:7.92-3.el9_6.tuxcare.els2.x86_64",
          "Rocky Linux-9.6:nmap-ncat-3:7.92-3.el9_6.tuxcare.els2.x86_64"
        ],
        "known_affected": [
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          "AlmaLinux-9.6:nmap-ncat-3:7.92-3.el9_6.tuxcare.els1.x86_64",
          "Rocky Linux-9.6:nmap-3:7.92-3.el9_6.tuxcare.els1.x86_64",
          "Rocky Linux-9.6:nmap-ncat-3:7.92-3.el9_6.tuxcare.els1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-72712"
        },
        {
          "category": "external",
          "summary": "https://github.com/nmap/nmap",
          "url": "https://github.com/nmap/nmap"
        },
        {
          "category": "external",
          "summary": "https://github.com/nmap/nmap/commit/7ef4ee030a0023fe22616387a000032e1a678b6a",
          "url": "https://github.com/nmap/nmap/commit/7ef4ee030a0023fe22616387a000032e1a678b6a"
        },
        {
          "category": "external",
          "summary": "https://github.com/nmap/nmap/issues/3368",
          "url": "https://github.com/nmap/nmap/issues/3368"
        },
        {
          "category": "external",
          "summary": "https://www.vulncheck.com/advisories/nmap-denial-of-service-via-zero-length-tcp-option-packet",
          "url": "https://www.vulncheck.com/advisories/nmap-denial-of-service-via-zero-length-tcp-option-packet"
        }
      ],
      "release_date": "2026-08-11T18:18:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-17T07:30:47.760433Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1789630245",
          "product_ids": [
            "AlmaLinux-9.6:nmap-3:7.92-3.el9_6.tuxcare.els2.x86_64",
            "AlmaLinux-9.6:nmap-ncat-3:7.92-3.el9_6.tuxcare.els2.x86_64",
            "Rocky Linux-9.6:nmap-3:7.92-3.el9_6.tuxcare.els2.x86_64",
            "Rocky Linux-9.6:nmap-ncat-3:7.92-3.el9_6.tuxcare.els2.x86_64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789630245"
        },
        {
          "category": "none_available",
          "date": "2026-08-11T18:18:00Z",
          "details": "Affected",
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            "AlmaLinux-9.6:nmap-3:7.92-3.el9_6.tuxcare.els1.x86_64",
            "AlmaLinux-9.6:nmap-ncat-3:7.92-3.el9_6.tuxcare.els1.x86_64",
            "Rocky Linux-9.6:nmap-3:7.92-3.el9_6.tuxcare.els1.x86_64",
            "Rocky Linux-9.6:nmap-ncat-3:7.92-3.el9_6.tuxcare.els1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ]
    }
  ]
}