Search for packages
Package details: pkg:gem/cgi@0.3.0
purl pkg:gem/cgi@0.3.0
Next non-vulnerable version 0.3.5.1
Latest non-vulnerable version 0.4.2
Risk 4.5
Vulnerabilities affecting this package (5)
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.
0.3.5
Affected by 2 other vulnerabilities.
VCID-7qzs-b3aw-myex
Aliases:
CVE-2021-41819
GHSA-4vf4-qmvg-mh7h
multiple issues
0.3.1
Affected by 4 other vulnerabilities.
VCID-86ec-ufeg-n7et
Aliases:
CVE-2021-41816
GHSA-5cqm-crxm-6qpv
GMS-2021-17
arbitrary code execution
0.3.1
Affected by 4 other vulnerabilities.
0.3.2
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.
0.3.5.1
Affected by 0 other vulnerabilities.
0.3.7
Affected by 0 other vulnerabilities.
0.4.2
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.
0.3.5.1
Affected by 0 other vulnerabilities.
0.3.7
Affected by 0 other vulnerabilities.
0.4.2
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2025-07-03T19:22:06.644991+00:00 GitLab Importer Affected by VCID-gjq7-jc2d-uudy https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/cgi/CVE-2025-27220.yml 37.0.0
2025-07-03T19:22:06.047659+00:00 GitLab Importer Affected by VCID-ey82-nbah-9bfr https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/cgi/CVE-2025-27219.yml 37.0.0
2025-07-03T18:34:45.961357+00:00 GitLab Importer Affected by VCID-2yge-cajg-eke7 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/cgi/CVE-2021-33621.yml 37.0.0
2025-07-03T18:10:06.003600+00:00 GitLab Importer Affected by VCID-86ec-ufeg-n7et https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/cgi/CVE-2021-41816.yml 37.0.0
2025-07-03T18:08:37.532192+00:00 GitLab Importer Affected by VCID-7qzs-b3aw-myex https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/cgi/CVE-2021-41819.yml 37.0.0
2025-07-01T18:12:22.072576+00:00 GitLab Importer Affected by VCID-7qzs-b3aw-myex https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/cgi/CVE-2021-41819.yml 36.1.3
2025-07-01T14:34:01.138795+00:00 GHSA Importer Affected by VCID-2yge-cajg-eke7 https://github.com/advisories/GHSA-vc47-6rqg-c7f5 36.1.3
2025-07-01T14:31:00.586883+00:00 GHSA Importer Affected by VCID-7qzs-b3aw-myex https://github.com/advisories/GHSA-4vf4-qmvg-mh7h 36.1.3
2025-07-01T14:30:52.230930+00:00 GHSA Importer Affected by VCID-86ec-ufeg-n7et https://github.com/advisories/GHSA-5cqm-crxm-6qpv 36.1.3
2025-07-01T12:23:41.441143+00:00 GithubOSV Importer Affected by VCID-7qzs-b3aw-myex https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/01/GHSA-4vf4-qmvg-mh7h/GHSA-4vf4-qmvg-mh7h.json 36.1.3