Ruby-lang Cgi

5 CVEs affecting Ruby-lang Cgi. Latest disclosed: 2025-03-04. Critical: 1, High: 2.

Top CVEs affecting Ruby-lang Cgi
CVESeverityScorePublishedSummary
CVE-2021-41816Critical9.82022-02-06CGI.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…
CVE-2021-33621High8.82022-11-18The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untru…
CVE-2021-41819High7.52022-01-01CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.
CVE-2025-27219Medium5.82025-03-04In the CGI gem before 0.4.2 for Ruby, the CGI::Cookie.parse method in the CGI library contains a potential Denial of Service (DoS) vulnerability. The method do…
CVE-2025-27220Medium4.02025-03-04In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.