Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-41816

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.

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
ruby-lang / cgi - 0.3.1
ruby-lang / cgi - 0.2.0.x
ruby-lang / cgi - 0.1.0.x
fedoraproject / fedora 34 34.x
fedoraproject / fedora 35 35.x
cgi 0.3.0 0.3.1
cgi 0.2.0 0.2.1
cgi - 0.1.0.1