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.
The 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 untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.
In 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 does not impose any limit on the length of the raw cookie value it processes. This oversight can lead to excessive resource consumption when parsing extremely large cookies.
In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.
Published 2025-03-03 · Modified
7.5EPSS 0.007
Demo
ThreatFusionAI™ Product Walkthrough
The fastest way to see what ThreatFusionAI does is to run a search. Paste any hash, IP, domain or CVE and you'll get the full report, the connected indicators and the actor attribution in one pass.
What you'll see
• Verdicts from multiple antivirus engines
• The connected IOC graph you can click through
• Ranked threat actors based on ATT&CK overlap
Next step
Start with a free search, no card needed. Check the plans if you need more volume.
ThreatFusionAI AssistantAI help & guidance
AI assistant — can make mistakes. Verify important results.