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CRITICAL

CVE-2018-13421

CVSS v3

9.8

CRITICAL

EPSS Score

1.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Fast C++ CSV Parser (aka fast-cpp-csv-parser) before 2018-07-06 has a heap-based buffer over-read in io::trim_chars in csv.h.

Technical details

Published
2018-07-07

Frequently asked questions

What is CVE-2018-13421?

Fast C++ CSV Parser (aka fast-cpp-csv-parser) before 2018-07-06 has a heap-based buffer over-read in io::trim_chars in csv.h.

Is CVE-2018-13421 actively exploited?

Active exploitation of CVE-2018-13421 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-13421?

CVE-2018-13421 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-13421 affecting your environment?

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