CVE-2026-110752 PUBLISHED

Text::CSV_XS versions before 1.65 for Perl allow memory exhaustion by allocating one entry per index of an RFC 7111 selector in fragment

Assigner: CPANSec
Reserved: 14.10.2026 Published: 16.10.2026 Updated: 16.10.2026

Text::CSV_XS versions before 1.65 for Perl allow memory exhaustion by allocating one entry per index of an RFC 7111 selector in fragment.

fragment expands a row= or col= selector into an array with one element per selected index before it reads any data, and it does not clamp an explicit end column in a cell= selector to the row. Only the syntax and order of the ranges are checked, so row=1-400000000 on a two-line file allocates 400 million elements.

An application that passes a request-supplied fragment to fragment or csv can be made to exhaust memory, which ends the process with an Out of memory error that eval cannot catch.

Product Status

Package Collection https://cpan.org/modules
Package Name Text-CSV_XS
Versions Default: unaffected
  • affected from 0 to 1.65 (excl.)

Solutions

Upgrade to Text-CSV_XS 1.65 or later.

References

Problem Types

  • CWE-770 Allocation of Resources Without Limits or Throttling CWE