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  4. CVE 2026 110754 textcsvxs versions before 165 for perl leak the
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Copyright ยฉ 2026 HOL DAO LLC. All rights reserved.

Back to active CVEs
Unknown severity ยท Source severity not reportedCVE-2026-110754

Text::CSV_XS versions before 1.65 for Perl leak the parsed fields of a record that fails to parse in getlineCVE-2026-110754

Answer in brief

CVE-2026-110754 records a Unknown severity vulnerability in Text::CSV_XS versions before 1.65 for Perl leak the parsed fields of a record that fails to parse in getline. The current sources do not mark it as known exploited. The current feed maps Text-CSV_XS (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 16, 2026Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Text-CSV_XS (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Text-CSV_XSgeneric>=0 <1.651.65

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Text-CSV_XS.
  2. 2Review the reported fix. Source-reported solution: Upgrade to Text-CSV_XS 1.65 or later.

Evidence timeline and material changes

  1. Published upstream

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 16, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencemetacpan.org
Upstream source description

Text::CSV_XS versions before 1.65 for Perl leak the parsed fields of a record that fails to parse in getline. getline collects the fields of a record into a new array and returns a reference to it only when the parse succeeds. When the record has a syntax error, getline returns undef and never frees the array or the fields parsed before the error. A long-running process parsing untrusted CSV retains every malformed record it is sent, so repeated malformed input exhausts its memory.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Text::CSV_XS versions before 1.65 for Perl allow memory exhaustion by allocating one entry per index of an RFC 7111 selector in fragmentSame text-csv_xs package
  • 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 getlineSame text-csv_xs package
  • Text::CSV_XS versions before 1.65 for Perl allow quadratic CPU use by copying the unparsed remainder per record of CR-only input in getlineSame text-csv_xs package
  • Text::CSV_XS versions before 1.65 for Perl drop the end of a record and its line ending when a UTF-8 flagged field precedes invalid UTF-8 bytes in printSame text-csv_xs package
  • Text::CSV_XS versions before 1.65 for Perl allow record splitting by writing strings used as numbers without quotes in combineSame text-csv_xs package
  • Text::CSV_XS versions before 1.65 for Perl read before the start of an all-blank field under allow_whitespace in strip_trail_whitespaceSame text-csv_xs package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-401
Source
CVE List V5
Source checked
Oct 16, 2026
References
2 linked sources
Open source record