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CVE-2026-110755

7.5 high SSVC exploitation: none Published
NVD · CVE.org

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 getline. With eol unset, the default, getline reads with Perl's default line separator, so input with CR-only line endings arrives as one chunk. After each record the parser copies the whole unparsed remainder into a new buffer, which the next call parses and copies again, so the work grows with the square of the input size. A reader with default options that is sent CSV with classic Mac line endings spends seconds of CPU time on a megabyte of input.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 4

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-20 18:25
  2. CVSS7.5 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)NVD modified 2026-10-20 19:17
  3. StatusReceived → Awaiting AnalysisNVD modified 2026-10-19 20:48
  4. First seenunscoredNVD modified 2026-10-16 23:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2