CVE-2018-13421

CVE-2018-13421 is a critical-severity vulnerability in Fast-cpp-csv-parser Project Fast-cpp-csv-parser with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

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.

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.
How severe is CVE-2018-13421?
CVE-2018-13421 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-13421 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13421?
CVE-2018-13421 affects Fast-cpp-csv-parser Project Fast-cpp-csv-parser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13421?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-13421 published?
CVE-2018-13421 was published on 2018-07-07 and last updated on 2026-06-17.

References

Affected products (1)

Other CWE-125 (Out-of-bounds Read) vulnerabilities

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →