{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/94101?format=json","vulnerability_id":"VCID-6kef-2azs-xugx","summary":"An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.","aliases":[{"alias":"CVE-2019-19271"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/935845?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.6-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.6-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/1037852?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.6-4%2Bdeb10u6","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-wwz1-zb24-7qgy"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.6-4%252Bdeb10u6"},{"url":"http://public2.vulnerablecode.io/api/packages/935820?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.7a%2Bdfsg-12%2Bdeb11u2?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.7a%252Bdfsg-12%252Bdeb11u2%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/935818?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.8%2Bdfsg-4%2Bdeb12u4?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-gw9f-rc1s-8udd"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.8%252Bdfsg-4%252Bdeb12u4%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/935822?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.8.c%2Bdfsg-4%2Bdeb13u1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.8.c%252Bdfsg-4%252Bdeb13u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/935821?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.9~dfsg-4?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.9~dfsg-4%3Fdistro=trixie"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/571971?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.0-19","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-1hz3-91g9-6baf"},{"vulnerability":"VCID-55bs-th2b-cbfy"},{"vulnerability":"VCID-6kef-2azs-xugx"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-73rz-xdrz-ryez"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-bgf6-swz8-j7bt"},{"vulnerability":"VCID-c26f-t6bh-fkc6"},{"vulnerability":"VCID-cbu1-85d6-5bhz"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gskk-nnr5-ukac"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jxke-yeum-8fh2"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-n5dr-ejmr-2ug9"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-r4vc-yu6n-kkhe"},{"vulnerability":"VCID-s84k-unmk-ubgt"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-u8pb-1kgt-z3fp"},{"vulnerability":"VCID-v1n2-dgwq-6bgh"},{"vulnerability":"VCID-v3k9-71y7-e7bu"},{"vulnerability":"VCID-wwz1-zb24-7qgy"},{"vulnerability":"VCID-xeeh-rpu9-63g6"},{"vulnerability":"VCID-xmjm-ep49-1uh2"},{"vulnerability":"VCID-y3j2-e8hq-w3em"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.0-19"},{"url":"http://public2.vulnerablecode.io/api/packages/571972?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.0-19etch3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-1hz3-91g9-6baf"},{"vulnerability":"VCID-55bs-th2b-cbfy"},{"vulnerability":"VCID-6kef-2azs-xugx"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-73rz-xdrz-ryez"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-bgf6-swz8-j7bt"},{"vulnerability":"VCID-c26f-t6bh-fkc6"},{"vulnerability":"VCID-cbu1-85d6-5bhz"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gskk-nnr5-ukac"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jxke-yeum-8fh2"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-n5dr-ejmr-2ug9"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-r4vc-yu6n-kkhe"},{"vulnerability":"VCID-s84k-unmk-ubgt"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-u8pb-1kgt-z3fp"},{"vulnerability":"VCID-v1n2-dgwq-6bgh"},{"vulnerability":"VCID-v3k9-71y7-e7bu"},{"vulnerability":"VCID-wwz1-zb24-7qgy"},{"vulnerability":"VCID-xeeh-rpu9-63g6"},{"vulnerability":"VCID-xmjm-ep49-1uh2"},{"vulnerability":"VCID-y3j2-e8hq-w3em"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.0-19etch3"},{"url":"http://public2.vulnerablecode.io/api/packages/571973?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.1-17lenny9","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-1hz3-91g9-6baf"},{"vulnerability":"VCID-55bs-th2b-cbfy"},{"vulnerability":"VCID-6kef-2azs-xugx"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-73rz-xdrz-ryez"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-bgf6-swz8-j7bt"},{"vulnerability":"VCID-c26f-t6bh-fkc6"},{"vulnerability":"VCID-cbu1-85d6-5bhz"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jxke-yeum-8fh2"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-n5dr-ejmr-2ug9"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-r4vc-yu6n-kkhe"},{"vulnerability":"VCID-s84k-unmk-ubgt"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-u8pb-1kgt-z3fp"},{"vulnerability":"VCID-v3k9-71y7-e7bu"},{"vulnerability":"VCID-wwz1-zb24-7qgy"},{"vulnerability":"VCID-xeeh-rpu9-63g6"},{"vulnerability":"VCID-xmjm-ep49-1uh2"},{"vulnerability":"VCID-y3j2-e8hq-w3em"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.1-17lenny9"},{"url":"http://public2.vulnerablecode.io/api/packages/571974?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.3a-6squeeze7","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-6kef-2azs-xugx"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-73rz-xdrz-ryez"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-c26f-t6bh-fkc6"},{"vulnerability":"VCID-cbu1-85d6-5bhz"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jxke-yeum-8fh2"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-n5dr-ejmr-2ug9"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-r4vc-yu6n-kkhe"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-wwz1-zb24-7qgy"},{"vulnerability":"VCID-xeeh-rpu9-63g6"},{"vulnerability":"VCID-xmjm-ep49-1uh2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.3a-6squeeze7"},{"url":"http://public2.vulnerablecode.io/api/packages/571975?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.4a-5%2Bdeb7u3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-6kef-2azs-xugx"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-73rz-xdrz-ryez"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-c26f-t6bh-fkc6"},{"vulnerability":"VCID-cbu1-85d6-5bhz"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jxke-yeum-8fh2"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-wwz1-zb24-7qgy"},{"vulnerability":"VCID-xeeh-rpu9-63g6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.4a-5%252Bdeb7u3"},{"url":"http://public2.vulnerablecode.io/api/packages/1036421?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.5-1.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-6kef-2azs-xugx"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-73rz-xdrz-ryez"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-c26f-t6bh-fkc6"},{"vulnerability":"VCID-cbu1-85d6-5bhz"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-wwz1-zb24-7qgy"},{"vulnerability":"VCID-xeeh-rpu9-63g6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.5-1.1"},{"url":"http://public2.vulnerablecode.io/api/packages/1036422?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.5-1.1%2Bdeb8u2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-6kef-2azs-xugx"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-73rz-xdrz-ryez"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-c26f-t6bh-fkc6"},{"vulnerability":"VCID-cbu1-85d6-5bhz"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-wwz1-zb24-7qgy"},{"vulnerability":"VCID-xeeh-rpu9-63g6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.5-1.1%252Bdeb8u2"},{"url":"http://public2.vulnerablecode.io/api/packages/1036990?format=json","purl":"pkg:deb/debian/proftpd-dfsg@1.3.5b-4%2Bdeb9u5","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17q4-65b3-mbbg"},{"vulnerability":"VCID-6kef-2azs-xugx"},{"vulnerability":"VCID-6zv5-sn2d-ffa6"},{"vulnerability":"VCID-8yrv-hee2-9qdc"},{"vulnerability":"VCID-fn5e-rmve-c3f4"},{"vulnerability":"VCID-gw9f-rc1s-8udd"},{"vulnerability":"VCID-jczb-y4fh-xucn"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-pcah-e3hh-gbd7"},{"vulnerability":"VCID-tc5c-pyzn-ekh1"},{"vulnerability":"VCID-u7k3-9pb6-nqa8"},{"vulnerability":"VCID-wwz1-zb24-7qgy"},{"vulnerability":"VCID-xeeh-rpu9-63g6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/proftpd-dfsg@1.3.5b-4%252Bdeb9u5"}],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2019-19271","reference_id":"","reference_type":"","scores":[{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.75984","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.75987","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.76019","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.75998","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.76031","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.76046","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.76071","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.76047","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00927","scoring_system":"epss","scoring_elements":"0.76042","published_at":"2026-04-13T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2019-19271"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19271","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19271"}],"weaknesses":[],"exploits":[],"severity_range_score":null,"exploitability":"0.5","weighted_severity":"0.0","risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-6kef-2azs-xugx"}