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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-110758
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-16 23:17:01 UTC
Updated2026-10-16 23:17:01 UTC
DescriptionText::CSV_XS versions before 1.65 for Perl read before the start of an all-blank field under allow_whitespace in strip_trail_whitespace. Under 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. Leading 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.

Risk And Classification

Problem Types: CWE-127 | CWE-127 CWE-127 Buffer Under-read

References

ReferenceSourceLinkTags
github.com/cpan-authors/Text-CSV_XS/commit/efed7ee21177c59a5b69e787f8415... 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com
metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2026-10-14T00:00:00.000ZFix committed to upstream repository.
CNA2026-10-15T00:00:00.000ZVersion 1.65 released with fix.

Solutions

CNA: Upgrade to Text-CSV_XS 1.65 or later.

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