cvedb.io
CVE-2021-41816
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2022-02-06T21:15:07.887 · Last modified 2026-06-17T04:08:57.320

Summary

CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where size_t and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.

Affected products

ruby-lang — cgi

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.