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| purl | pkg:gem/cgi@0.3.1 |
| Vulnerability | Summary | Fixed by |
|---|---|---|
|
VCID-2yge-cajg-eke7
Aliases: CVE-2021-33621 GHSA-vc47-6rqg-c7f5 |
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. |
Affected by 2 other vulnerabilities. |
|
VCID-86ec-ufeg-n7et
Aliases: CVE-2021-41816 GHSA-5cqm-crxm-6qpv GMS-2021-17 |
arbitrary code execution |
Affected by 3 other vulnerabilities. |
|
VCID-ey82-nbah-9bfr
Aliases: CVE-2025-27219 GHSA-gh9q-2xrm-x6qv |
CGI has Denial of Service (DoS) potential in Cookie.parse There is a possibility for DoS by in the cgi gem. This vulnerability has been assigned the CVE identifier CVE-2025-27219. We recommend upgrading the cgi gem. ## Details CGI::Cookie.parse took super-linear time to parse a cookie string in some cases. Feeding a maliciously crafted cookie string into the method could lead to a Denial of Service. Please update CGI gem to version 0.3.5.1, 0.3.7, 0.4.2 or later. ## Affected versions cgi gem versions <= 0.3.5, 0.3.6, 0.4.0 and 0.4.1. ## Credits Thanks to lio346 for discovering this issue. Also thanks to mame for fixing this vulnerability. |
Affected by 0 other vulnerabilities. Affected by 0 other vulnerabilities. Affected by 0 other vulnerabilities. |
|
VCID-gjq7-jc2d-uudy
Aliases: CVE-2025-27220 GHSA-mhwm-jh88-3gjf |
CGI has Regular Expression Denial of Service (ReDoS) potential in Util#escapeElement There is a possibility for Regular expression Denial of Service (ReDoS) by in the cgi gem. This vulnerability has been assigned the CVE identifier CVE-2025-27220. We recommend upgrading the cgi gem. ## Details The regular expression used in `CGI::Util#escapeElement` is vulnerable to ReDoS. The crafted input could lead to a high CPU consumption. This vulnerability only affects Ruby 3.1 and 3.2. If you are using these versions, please update CGI gem to version 0.3.5.1, 0.3.7, 0.4.2 or later. ## Affected versions cgi gem versions <= 0.3.5, 0.3.6, 0.4.0 and 0.4.1. ## Credits Thanks to svalkanov for discovering this issue. Also thanks to nobu for fixing this vulnerability. |
Affected by 0 other vulnerabilities. Affected by 0 other vulnerabilities. Affected by 0 other vulnerabilities. |
| Vulnerability | Summary | Aliases |
|---|---|---|
| VCID-7qzs-b3aw-myex | multiple issues |
CVE-2021-41819
GHSA-4vf4-qmvg-mh7h |
| VCID-86ec-ufeg-n7et | arbitrary code execution |
CVE-2021-41816
GHSA-5cqm-crxm-6qpv GMS-2021-17 |