{"url":"http://public2.vulnerablecode.io/api/packages/76341?format=json","purl":"pkg:gem/gitlab-puma@4.0.0","type":"gem","namespace":"","name":"gitlab-puma","version":"4.0.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":null,"latest_non_vulnerable_version":null,"affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/51636?format=json","vulnerability_id":"VCID-2xj4-cnr2-wffv","summary":"Keepalive thread overload/DoS in puma\nA poorly-behaved client could use keepalive requests to monopolize\nPuma's reactor and create a denial of service attack.\n\nIf more keepalive connections to Puma are opened than there are\nthreads available, additional connections will wait permanently if\nthe attacker sends requests frequently enough.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-16770.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-16770.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2019-16770","reference_id":"","reference_type":"","scores":[{"value":"0.01587","scoring_system":"epss","scoring_elements":"0.81957","published_at":"2026-06-04T12:55:00Z"},{"value":"0.01587","scoring_system":"epss","scoring_elements":"0.81992","published_at":"2026-06-07T12:55:00Z"},{"value":"0.01587","scoring_system":"epss","scoring_elements":"0.81991","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2019-16770"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16770","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16770"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/advisories/GHSA-7xx3-m584-x994","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-7xx3-m584-x994"},{"reference_url":"https://github.com/puma/puma/security/advisories/GHSA-7xx3-m584-x994","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3","scoring_elements":""},{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/security/advisories/GHSA-7xx3-m584-x994"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2019-16770.yml","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2019-16770.yml"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00034.html","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00034.html"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1831297","reference_id":"1831297","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1831297"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946312","reference_id":"946312","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=946312"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16770","reference_id":"CVE-2019-16770","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16770"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/76343?format=json","purl":"pkg:gem/gitlab-puma@4.3.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/gitlab-puma@4.3.1"}],"aliases":["CVE-2019-16770","GHSA-7xx3-m584-x994"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"7.9","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-2xj4-cnr2-wffv"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/51642?format=json","vulnerability_id":"VCID-8yqn-1dq4-ffh1","summary":"HTTP Response Splitting (Early Hints) in Puma\n### Impact\nIf an application using Puma allows untrusted input in an early-hints header,\nan attacker can use a carriage return character to end the header and inject\nmalicious content, such as additional headers or an entirely new response body.\nThis vulnerability is known as [HTTP Response\nSplitting](https://owasp.org/www-community/attacks/HTTP_Response_Splitting)\n\nWhile not an attack in itself, response splitting is a vector for several other\nattacks, such as cross-site scripting (XSS).\n\nThis is related to [CVE-2020-5247](https://github.com/puma/puma/security/advisories/GHSA-84j7-475p-hp8v),\nwhich fixed this vulnerability but only for regular responses.\n\n### Patches\nThis has been fixed in 4.3.3 and 3.12.4.\n\n### Workarounds\nUsers can not allow untrusted/user input in the Early Hints response header.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-5249.json","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-5249.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2020-5249","reference_id":"","reference_type":"","scores":[{"value":"0.00498","scoring_system":"epss","scoring_elements":"0.66252","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00498","scoring_system":"epss","scoring_elements":"0.66268","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00498","scoring_system":"epss","scoring_elements":"0.66208","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00498","scoring_system":"epss","scoring_elements":"0.66259","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2020-5249"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5249","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5249"},{"reference_url":"https://github.com/puma/puma","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma"},{"reference_url":"https://github.com/puma/puma/commit/c22712fc93284a45a93f9ad7023888f3a65524f3","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/commit/c22712fc93284a45a93f9ad7023888f3a65524f3"},{"reference_url":"https://github.com/puma/puma/security/advisories/GHSA-33vf-4xgg-9r58","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":""},{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/security/advisories/GHSA-33vf-4xgg-9r58"},{"reference_url":"https://github.com/puma/puma/security/advisories/GHSA-84j7-475p-hp8v","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/security/advisories/GHSA-84j7-475p-hp8v"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2020-5249.yml","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2020-5249.yml"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMJ3CGZ3DLBJ5WUUKMI5ZFXFJQMXJZIK","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMJ3CGZ3DLBJ5WUUKMI5ZFXFJQMXJZIK"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMJ3CGZ3DLBJ5WUUKMI5ZFXFJQMXJZIK/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMJ3CGZ3DLBJ5WUUKMI5ZFXFJQMXJZIK/"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIHVO3CQMU7BZC7FCTSRJ33YDNS3GFPK","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIHVO3CQMU7BZC7FCTSRJ33YDNS3GFPK"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIHVO3CQMU7BZC7FCTSRJ33YDNS3GFPK/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIHVO3CQMU7BZC7FCTSRJ33YDNS3GFPK/"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJ3LL5F5QADB6LM46GXZETREAKZMQNRD","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJ3LL5F5QADB6LM46GXZETREAKZMQNRD"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJ3LL5F5QADB6LM46GXZETREAKZMQNRD/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJ3LL5F5QADB6LM46GXZETREAKZMQNRD/"},{"reference_url":"https://owasp.org/www-community/attacks/HTTP_Response_Splitting","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://owasp.org/www-community/attacks/HTTP_Response_Splitting"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1816181","reference_id":"1816181","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1816181"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953122","reference_id":"953122","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953122"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5249","reference_id":"CVE-2020-5249","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5249"},{"reference_url":"https://github.com/advisories/GHSA-33vf-4xgg-9r58","reference_id":"GHSA-33vf-4xgg-9r58","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-33vf-4xgg-9r58"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/76793?format=json","purl":"pkg:gem/gitlab-puma@4.3.3","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/gitlab-puma@4.3.3"}],"aliases":["CVE-2020-5249","GHSA-33vf-4xgg-9r58"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-8yqn-1dq4-ffh1"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/51638?format=json","vulnerability_id":"VCID-a89c-mhxf-gbcr","summary":"HTTP Smuggling via Transfer-Encoding Header in Puma\n### Impact\n\nThis is a similar but different vulnerability to the one patched in 3.12.5 and 4.3.4.\n\nA client could smuggle a request through a proxy, causing the proxy to send a response\nback to another unknown client.\n\nIf the proxy uses persistent connections and the client adds another request in via HTTP\npipelining, the proxy may mistake it as the first request's body. Puma, however,\nwould see it as two requests, and when processing the second request, send back\na response that the proxy does not expect. If the proxy has reused the persistent\nconnection to Puma to send another request for a different client, the second response\nfrom the first client will be sent to the second client.\n\n### Patches\n\nThe problem has been fixed in Puma 3.12.6 and Puma 4.3.5.","references":[{"reference_url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html"},{"reference_url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html"},{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11077.json","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11077.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2020-11077","reference_id":"","reference_type":"","scores":[{"value":"0.00821","scoring_system":"epss","scoring_elements":"0.74783","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00821","scoring_system":"epss","scoring_elements":"0.7478","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00821","scoring_system":"epss","scoring_elements":"0.74753","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00821","scoring_system":"epss","scoring_elements":"0.74789","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2020-11077"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11077","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11077"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/puma/puma","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma"},{"reference_url":"https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22"},{"reference_url":"https://github.com/puma/puma/security/advisories/GHSA-w64w-qqph-5gxm","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3","scoring_elements":""},{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/security/advisories/GHSA-w64w-qqph-5gxm"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2020-11077.yml","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2020-11077.yml"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00009.html","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00009.html"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1842534","reference_id":"1842534","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1842534"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=972102","reference_id":"972102","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=972102"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11077","reference_id":"CVE-2020-11077","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11077"},{"reference_url":"https://github.com/advisories/GHSA-w64w-qqph-5gxm","reference_id":"GHSA-w64w-qqph-5gxm","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-w64w-qqph-5gxm"},{"reference_url":"https://usn.ubuntu.com/6682-1/","reference_id":"USN-6682-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6682-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/77377?format=json","purl":"pkg:gem/gitlab-puma@4.3.5.gitlab.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-nmrt-u3yt-c3bs"},{"vulnerability":"VCID-prw8-q89n-fkcp"},{"vulnerability":"VCID-y1y1-3d8u-yud7"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/gitlab-puma@4.3.5.gitlab.3"}],"aliases":["CVE-2020-11077","GHSA-w64w-qqph-5gxm"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-a89c-mhxf-gbcr"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/51637?format=json","vulnerability_id":"VCID-afk2-2mrt-h3ds","summary":"HTTP Smuggling via Transfer-Encoding Header in Puma\n### Impact\n\nBy using an invalid transfer-encoding header, an attacker could\n[smuggle an HTTP response.](https://portswigger.net/web-security/request-smuggling)\n\n### Patches\n\nThe problem has been fixed in Puma 3.12.5 and Puma 4.3.4.","references":[{"reference_url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html"},{"reference_url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html"},{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11076.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11076.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2020-11076","reference_id":"","reference_type":"","scores":[{"value":"0.01782","scoring_system":"epss","scoring_elements":"0.83091","published_at":"2026-06-06T12:55:00Z"},{"value":"0.01782","scoring_system":"epss","scoring_elements":"0.83092","published_at":"2026-06-05T12:55:00Z"},{"value":"0.01782","scoring_system":"epss","scoring_elements":"0.83065","published_at":"2026-06-04T12:55:00Z"},{"value":"0.01782","scoring_system":"epss","scoring_elements":"0.83088","published_at":"2026-06-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2020-11076"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11076","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11076"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/puma/puma","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma"},{"reference_url":"https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22"},{"reference_url":"https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd"},{"reference_url":"https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":""},{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2020-11076.yml","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puma/CVE-2020-11076.yml"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00009.html","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00009.html"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1842539","reference_id":"1842539","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1842539"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=972102","reference_id":"972102","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=972102"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11076","reference_id":"CVE-2020-11076","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11076"},{"reference_url":"https://github.com/advisories/GHSA-x7jg-6pwg-fx5h","reference_id":"GHSA-x7jg-6pwg-fx5h","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-x7jg-6pwg-fx5h"},{"reference_url":"https://usn.ubuntu.com/6682-1/","reference_id":"USN-6682-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6682-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/77377?format=json","purl":"pkg:gem/gitlab-puma@4.3.5.gitlab.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-nmrt-u3yt-c3bs"},{"vulnerability":"VCID-prw8-q89n-fkcp"},{"vulnerability":"VCID-y1y1-3d8u-yud7"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/gitlab-puma@4.3.5.gitlab.3"}],"aliases":["CVE-2020-11076","GHSA-x7jg-6pwg-fx5h"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-afk2-2mrt-h3ds"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/51640?format=json","vulnerability_id":"VCID-vsxc-v81n-wfcp","summary":"HTTP Response Splitting vulnerability in puma\nIf an application using Puma allows untrusted input in a response header,\nan attacker can use newline characters (i.e. CR, LF) to end the header and\ninject malicious content, such as additional headers or an entirely new\nresponse body. This vulnerability is known as HTTP Response Splitting.\n\nWhile not an attack in itself, response splitting is a vector for several\nother attacks, such as cross-site scripting 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