Text::CSV_XS versions from 1.46 before 1.65 for Perl have a use-after-free of bind_columns variables when skip_empty_rows skips an empty line in getline

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-110753
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-16 23:17:00 UTC
Updated2026-10-16 23:17:00 UTC
DescriptionText::CSV_XS versions from 1.46 before 1.65 for Perl have a use-after-free of bind_columns variables when skip_empty_rows skips an empty line in getline. With bind_columns, the parser writes each field into the caller's own scalar without taking a reference to it. When skip_empty_rows skips an empty last line, the parser frees the current field scalar without checking whether it is bound, dropping one reference from the application's variable. The "eof" mode does the same on any empty line. The variable is then freed while the application still references it, so later code uses freed memory and can crash the process.

Risk And Classification

Problem Types: CWE-416 | CWE-911 | CWE-416 CWE-416 Use After Free | CWE-911 CWE-911 Improper Update of Reference Count

References

ReferenceSourceLinkTags
github.com/cpan-authors/Text-CSV_XS/commit/f082d5c8aab1b8d16b6181d4f3042... 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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