{"id":"CVE-2026-110758","state":"PUBLISHED","title":"Text::CSV_XS versions before 1.65 for Perl read before the start of an all-blank field under allow_whitespace in strip_trail_whitespace","description":"Text::CSV_XS versions before 1.65 for Perl read before the start of an all-blank field under allow_whitespace in strip_trail_whitespace.\n\nUnder allow_whitespace, strip_trail_whitespace removes trailing spaces and tabs from each unquoted field without stopping at the start of the field. For a field of only blanks it reads the byte before the field's heap buffer. If that byte is also a space or tab, it may be zeroed and the walk continue backwards, depending on what the allocator placed there.\n\nLeading blanks are normally skipped before a field is stored, but an all-blank field still arrives after a leading escape_char that differs from quote_char, or as a quoted field in getline when its line ends in two CRs.","publishedAt":"2026-10-16T22:08:10.917Z","updatedAt":"2026-10-20T18:31:16.823Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"CPANSec","products":["Text-CSV_XS"],"affected":[{"packageName":"Text-CSV_XS","packageURL":"pkg:cpan/Text-CSV_XS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.65","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","modules":["Text::CSV_XS"],"programFiles":["CSV_XS.xs"],"programRoutines":[{"name":"strip_trail_whitespace"}],"repo":"https://github.com/cpan-authors/Text-CSV_XS"}],"references":["https://github.com/cpan-authors/Text-CSV_XS/commit/efed7ee21177c59a5b69e787f84154e1fcb0d095.patch","https://metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes"],"weaknesses":["CWE-127"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/110xxx/CVE-2026-110758.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-110758","state":"PUBLISHED","datePublished":"2026-10-16T22:08:10.917Z","dateUpdated":"2026-10-20T18:31:16.823Z","assignerShortName":"CPANSec","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateReserved":"2026-10-14T17:07:36.990Z"},"containers":{"cna":{"title":"Text::CSV_XS versions before 1.65 for Perl read before the start of an all-blank field under allow_whitespace in strip_trail_whitespace","descriptions":[{"lang":"en","value":"Text::CSV_XS versions before 1.65 for Perl read before the start of an all-blank field under allow_whitespace in strip_trail_whitespace.\n\nUnder allow_whitespace, strip_trail_whitespace removes trailing spaces and tabs from each unquoted field without stopping at the start of the field. For a field of only blanks it reads the byte before the field's heap buffer. If that byte is also a space or tab, it may be zeroed and the walk continue backwards, depending on what the allocator placed there.\n\nLeading blanks are normally skipped before a field is stored, but an all-blank field still arrives after a leading escape_char that differs from quote_char, or as a quoted field in getline when its line ends in two CRs."}],"affected":[{"packageName":"Text-CSV_XS","packageURL":"pkg:cpan/Text-CSV_XS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.65","versionType":"custom"}],"collectionURL":"https://cpan.org/modules","modules":["Text::CSV_XS"],"programFiles":["CSV_XS.xs"],"programRoutines":[{"name":"strip_trail_whitespace"}],"repo":"https://github.com/cpan-authors/Text-CSV_XS"}],"references":[{"url":"https://github.com/cpan-authors/Text-CSV_XS/commit/efed7ee21177c59a5b69e787f84154e1fcb0d095.patch","tags":["patch"]},{"url":"https://metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes","tags":["release-notes"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-127","description":"CWE-127 Buffer Under-read","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CPANSec","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","dateUpdated":"2026-10-16T22:08:10.917Z"},"solutions":[{"lang":"en","value":"Upgrade to Text-CSV_XS 1.65 or later."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-10-14T00:00:00.000Z","value":"Fix committed to upstream repository."},{"lang":"en","time":"2026-10-15T00:00:00.000Z","value":"Version 1.65 released with fix."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T18:31:03.466952Z","id":"CVE-2026-110758","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-20T18:31:16.823Z"}}]}}}