{"url":"http://public2.vulnerablecode.io/api/packages/73897?format=json","purl":"pkg:ebuild/net-dns/c-ares@1.19.0","type":"ebuild","namespace":"net-dns","name":"c-ares","version":"1.19.0","qualifiers":{},"subpath":"","is_vulnerable":false,"next_non_vulnerable_version":"1.19.1","latest_non_vulnerable_version":"1.19.1","affected_by_vulnerabilities":[],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/11629?format=json","vulnerability_id":"VCID-1xdz-dku3-qqc4","summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\nA flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3672.json","reference_id":"","reference_type":"","scores":[{"value":"5.6","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3672.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-3672","reference_id":"","reference_type":"","scores":[{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17144","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.16833","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17157","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17097","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17102","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17137","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17043","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17025","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.16969","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.1731","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17358","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17138","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17229","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17287","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17265","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17216","published_at":"2026-04-12T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-3672"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1988342","reference_id":"","reference_type":"","scores":[{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:33Z/"}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1988342"},{"reference_url":"https://c-ares.haxx.se/adv_20210810.html","reference_id":"","reference_type":"","scores":[{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:33Z/"}],"url":"https://c-ares.haxx.se/adv_20210810.html"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3672","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3672"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992053","reference_id":"992053","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992053"},{"reference_url":"https://security.archlinux.org/ASA-202108-13","reference_id":"ASA-202108-13","reference_type":"","scores":[],"url":"https://security.archlinux.org/ASA-202108-13"},{"reference_url":"https://security.archlinux.org/AVG-2268","reference_id":"AVG-2268","reference_type":"","scores":[{"value":"Medium","scoring_system":"archlinux","scoring_elements":""}],"url":"https://security.archlinux.org/AVG-2268"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3672","reference_id":"CVE-2021-3672","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3672"},{"reference_url":"https://security.gentoo.org/glsa/202401-02","reference_id":"GLSA-202401-02","reference_type":"","scores":[{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:33Z/"}],"url":"https://security.gentoo.org/glsa/202401-02"},{"reference_url":"https://security.gentoo.org/glsa/202405-29","reference_id":"GLSA-202405-29","reference_type":"","scores":[],"url":"https://security.gentoo.org/glsa/202405-29"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3280","reference_id":"RHSA-2021:3280","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:3280"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3281","reference_id":"RHSA-2021:3281","reference_typ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vulnerabilities have been found in c-ares, the worst of which could result in the loss of confidentiality or integrity.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-22930.json","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-22930.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-22930","reference_id":"","reference_type":"","scores":[{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55216","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.5524","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55319","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55292","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55315","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55339","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55321","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55371","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55382","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55361","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55342","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55378","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55383","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00323","scoring_system":"epss","scoring_elements":"0.55299","published_at":"2026-04-24T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-22930"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22930","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22930"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1988394","reference_id":"1988394","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1988394"},{"reference_url":"https://security.archlinux.org/ASA-202108-1","reference_id":"ASA-202108-1","reference_type":"","scores":[],"url":"https://security.archlinux.org/ASA-202108-1"},{"reference_url":"https://security.archlinux.org/AVG-2239","reference_id":"AVG-2239","reference_type":"","scores":[{"value":"High","scoring_system":"archlinux","scoring_elements":""}],"url":"https://security.archlinux.org/AVG-2239"},{"reference_url":"https://security.gentoo.org/glsa/202401-02","reference_id":"GLSA-202401-02","reference_type":"","scores":[],"url":"https://security.gentoo.org/glsa/202401-02"},{"reference_url":"https://security.gentoo.org/glsa/202405-29","reference_id":"GLSA-202405-29","reference_type":"","scores":[],"url":"https://security.gentoo.org/glsa/202405-29"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3280","reference_id":"RHSA-2021:3280","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:3280"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3281","reference_id":"RHSA-2021:3281","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:3281"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3623","reference_id":"RHSA-2021:3623","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:3623"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3638","reference_id":"RHSA-2021:3638","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:3638"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3639","reference_id":"RHSA-2021:3639","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:3639"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3666","reference_id":"RHSA-2021:3666","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:3666"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/73897?format=json","purl":"pkg:ebuild/net-dns/c-ares@1.19.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:ebuild/net-dns/c-ares@1.19.0"}],"aliase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Input Validation\nA flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. 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