{ "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": "Text::CSV_XS versions before 1.65 for Perl return a 0xFF byte that is not in the input for an empty last field followed by a lone CR in parse.\n\nWhen the input to parse ends in a separator and a lone CR, the parser treats the end of the input as the next character and stores the end-of-file marker in the field as the byte 0xFF. With binary set, parse(\"a,\\r\") returns the fields \"a\" and \"\\xFF\". On UTF-8 flagged input the last field is a UTF-8 flagged string holding that lone byte, which is malformed UTF-8. The same input with a non-empty last field is rejected as an error.\n\nA CRLF file read line by line and chomped ends this way when its last column is empty, so the application receives a byte that is not in its input.", "title": "Vulnerability Description" } ], "publisher": { "category": "other", "contact_details": "gdt@cpan.org", "name": "giterlizzi", "namespace": "https://github.com/giterlizzi/" }, "references": [ { "category": "self", "summary": "CPANSA-Text-CSV_XS-2026-110759 JSON", "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-text-csv_xs-2026-110759.json" }, { "category": "external", "summary": "https://github.com/cpan-authors/Text-CSV_XS/commit/7627f1a2bb8ffe4e81d9847318a060822043f7f3.patch", "url": "https://github.com/cpan-authors/Text-CSV_XS/commit/7627f1a2bb8ffe4e81d9847318a060822043f7f3.patch" }, { "category": "external", "summary": "https://metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes", "url": "https://metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes" }, { "category": "external", "summary": "CVE-2026-110759 (NVD)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110759" } ], "title": "Text-CSV_XS vulnerability", "tracking": { "current_release_date": "2026-10-16T00:00:00", "generator": { "engine": { "name": "CSAF Perl Toolkit", "version": "0.26" } }, "id": "CPANSA-Text-CSV_XS-2026-110759", "initial_release_date": "2026-10-16T00:00:00", "revision_history": [ { "date": "2026-10-16T00:00:00", "number": "1", "summary": "First release" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:cpan/<1.65", "product": { "name": "Text-CSV_XS less than 1.65", "product_id": "CSAFPID-0001", "product_identification_helper": { "purl": "pkg:cpan/Text-CSV_XS" } } }, { "category": "product_version_range", "name": "vers:cpan/>=1.65", "product": { "name": "Text-CSV_XS greater than or equal 1.65", "product_id": "CSAFPID-0002", "product_identification_helper": { "purl": "pkg:cpan/Text-CSV_XS" } } } ], "category": "product_name", "name": "Text-CSV_XS" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-110759", "cwe": { "id": "CWE-1286", "name": "Improper Validation of Syntactic Correctness of Input" }, "notes": [ { "category": "description", "text": "Text::CSV_XS versions before 1.65 for Perl return a 0xFF byte that is not in the input for an empty last field followed by a lone CR in parse.\n\nWhen the input to parse ends in a separator and a lone CR, the parser treats the end of the input as the next character and stores the end-of-file marker in the field as the byte 0xFF. With binary set, parse(\"a,\\r\") returns the fields \"a\" and \"\\xFF\". On UTF-8 flagged input the last field is a UTF-8 flagged string holding that lone byte, which is malformed UTF-8. The same input with a non-empty last field is rejected as an error.\n\nA CRLF file read line by line and chomped ends this way when its last column is empty, so the application receives a byte that is not in its input.", "title": "Vulnerability Description" } ], "product_status": { "fixed": [ "CSAFPID-0002" ], "known_affected": [ "CSAFPID-0001" ] }, "scores": [ { "cvss_v3": { "baseScore": 9.8, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] } ] }