{
   "document": {
      "category": "csaf_security_advisory",
      "csaf_version": "2.0",
      "distribution": {
         "tlp": {
            "label": "WHITE",
            "url": "https://www.first.org/tlp/"
         }
      },
      "lang": "en",
      "notes": [
         {
            "category": "description",
            "text": "XML::LibXML versions through 2.0210 for Perl read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences.  A node name ending in the middle of a multi byte UTF-8 sequence causes the parser to read past the end of the input string into adjacent heap memory.  Any Perl process that passes attacker controlled strings to XML::LibXML's DOM node-name methods can reach this path on the default API. The likely consequence is a crash, causing denial of service.",
            "title": "Vulnerability Description"
         }
      ],
      "publisher": {
         "category": "other",
         "contact_details": "gdt@cpan.org",
         "name": "giterlizzi",
         "namespace": "https://github.com/giterlizzi/"
      },
      "references": [
         {
            "category": "self",
            "summary": "CPANSA-XML-LibXML-2026-8177 JSON",
            "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-xml-libxml-2026-8177.json"
         },
         {
            "category": "external",
            "summary": "https://github.com/cpan-authors/XML-LibXML/commit/15652bd905a6c9dda59a81b14d4766adbbae2ea8.patch",
            "url": "https://github.com/cpan-authors/XML-LibXML/commit/15652bd905a6c9dda59a81b14d4766adbbae2ea8.patch"
         },
         {
            "category": "external",
            "summary": "https://github.com/cpan-authors/XML-LibXML/issues/146",
            "url": "https://github.com/cpan-authors/XML-LibXML/issues/146"
         },
         {
            "category": "external",
            "summary": "https://github.com/cpan-authors/XML-LibXML/pull/149",
            "url": "https://github.com/cpan-authors/XML-LibXML/pull/149"
         },
         {
            "category": "external",
            "summary": "http://www.openwall.com/lists/oss-security/2026/05/10/8",
            "url": "http://www.openwall.com/lists/oss-security/2026/05/10/8"
         },
         {
            "category": "external",
            "summary": "http://www.openwall.com/lists/oss-security/2026/05/11/2",
            "url": "http://www.openwall.com/lists/oss-security/2026/05/11/2"
         },
         {
            "category": "external",
            "summary": "CVE-2026-8177 (NVD)",
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8177"
         }
      ],
      "title": "XML-LibXML vulnerability",
      "tracking": {
         "current_release_date": "2026-05-10T00:00:00",
         "generator": {
            "engine": {
               "name": "CSAF Perl Toolkit",
               "version": "0.26"
            }
         },
         "id": "CPANSA-XML-LibXML-2026-8177",
         "initial_release_date": "2026-05-10T00:00:00",
         "revision_history": [
            {
               "date": "2026-05-10T00:00:00",
               "number": "1",
               "summary": "First release"
            }
         ],
         "status": "final",
         "version": "1"
      }
   },
   "product_tree": {
      "branches": [
         {
            "branches": [
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>0",
                  "product": {
                     "name": "XML-LibXML greater than 0",
                     "product_id": "CSAFPID-0001",
                     "product_identification_helper": {
                        "purl": "pkg:cpan/XML-LibXML"
                     }
                  }
               }
            ],
            "category": "product_name",
            "name": "XML-LibXML"
         }
      ]
   },
   "vulnerabilities": [
      {
         "cve": "CVE-2026-8177",
         "cwe": {
            "id": "CWE-125",
            "name": "Out-of-bounds Read"
         },
         "notes": [
            {
               "category": "description",
               "text": "XML::LibXML versions through 2.0210 for Perl read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences.\n\nA node name ending in the middle of a multi byte UTF-8 sequence causes the parser to read past the end of the input string into adjacent heap memory.\n\nAny Perl process that passes attacker controlled strings to XML::LibXML's DOM node-name methods can reach this path on the default API. The likely consequence is a crash, causing denial of service.",
               "title": "Vulnerability Description"
            }
         ],
         "product_status": {
            "known_affected": [
               "CSAFPID-0001"
            ]
         },
         "scores": [
            {
               "cvss_v3": {
                  "baseScore": 7.5,
                  "baseSeverity": "HIGH",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
               },
               "products": [
                  "CSAFPID-0001"
               ]
            }
         ]
      }
   ]
}