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Package details: pkg:gem/webrick@1.4.4
purl pkg:gem/webrick@1.4.4
Next non-vulnerable version 1.8.2
Latest non-vulnerable version 1.8.2
Risk 4.0
Vulnerabilities affecting this package (2)
Vulnerability Summary Fixed by
VCID-3wgz-s6g4-n3fk
Aliases:
CVE-2024-47220
GHSA-6f62-3596-g6w7
HTTP Request Smuggling in ruby webrick An issue was discovered in the WEBrick toolkit through 1.8.1 for Ruby. It allows HTTP request smuggling by providing both a Content-Length header and a Transfer-Encoding header, e.g., "GET /admin HTTP/1.1\r\n" inside of a "POST /user HTTP/1.1\r\n" request. NOTE: the supplier's position is "Webrick should not be used in production."
1.8.2
Affected by 0 other vulnerabilities.
VCID-pay9-phaz-bbde
Aliases:
CVE-2025-6442
GHSA-r995-q44h-hr64
Ruby WEBrick read_headers method can lead to HTTP Request/Response Smuggling Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.
1.8.2
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (1)
Vulnerability Summary Aliases
VCID-vcz9-dvf4-47am Multiple vulnerabilities have been discovered in Ruby, the worst of which could lead to execution of arbitrary code. CVE-2020-25613
GHSA-gwfg-cqmg-cf8f

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-16T03:25:35.017068+00:00 GHSA Importer Affected by VCID-pay9-phaz-bbde https://github.com/advisories/GHSA-r995-q44h-hr64 38.4.0
2026-04-16T03:12:01.290409+00:00 GHSA Importer Affected by VCID-3wgz-s6g4-n3fk https://github.com/advisories/GHSA-6f62-3596-g6w7 38.4.0
2026-04-12T00:51:32.459626+00:00 GitLab Importer Affected by VCID-pay9-phaz-bbde https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/webrick/CVE-2025-6442.yml 38.3.0
2026-04-12T00:27:28.570682+00:00 GitLab Importer Affected by VCID-3wgz-s6g4-n3fk https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/webrick/CVE-2024-47220.yml 38.3.0
2026-04-11T23:11:23.790923+00:00 GitLab Importer Fixing VCID-vcz9-dvf4-47am https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/webrick/CVE-2020-25613.yml 38.3.0
2026-04-11T14:54:37.729963+00:00 GHSA Importer Affected by VCID-pay9-phaz-bbde https://github.com/advisories/GHSA-r995-q44h-hr64 38.3.0
2026-04-11T14:40:49.136317+00:00 GHSA Importer Affected by VCID-3wgz-s6g4-n3fk https://github.com/advisories/GHSA-6f62-3596-g6w7 38.3.0
2026-04-03T00:59:37.150617+00:00 GitLab Importer Affected by VCID-pay9-phaz-bbde https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/webrick/CVE-2025-6442.yml 38.1.0
2026-04-03T00:35:10.322755+00:00 GitLab Importer Affected by VCID-3wgz-s6g4-n3fk https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/webrick/CVE-2024-47220.yml 38.1.0
2026-04-02T23:19:51.644940+00:00 GitLab Importer Fixing VCID-vcz9-dvf4-47am https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/webrick/CVE-2020-25613.yml 38.1.0
2026-04-02T15:34:09.581691+00:00 GHSA Importer Affected by VCID-pay9-phaz-bbde https://github.com/advisories/GHSA-r995-q44h-hr64 38.1.0
2026-04-02T15:21:25.875650+00:00 GHSA Importer Affected by VCID-3wgz-s6g4-n3fk https://github.com/advisories/GHSA-6f62-3596-g6w7 38.1.0
2026-04-01T17:40:23.795535+00:00 GitLab Importer Fixing VCID-vcz9-dvf4-47am https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/webrick/CVE-2020-25613.yml 38.0.0
2026-04-01T16:01:48.407594+00:00 GHSA Importer Fixing VCID-vcz9-dvf4-47am https://github.com/advisories/GHSA-gwfg-cqmg-cf8f 38.0.0
2026-04-01T13:12:02.108868+00:00 GithubOSV Importer Fixing VCID-vcz9-dvf4-47am https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-gwfg-cqmg-cf8f/GHSA-gwfg-cqmg-cf8f.json 38.0.0