{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/92515?format=json","vulnerability_id":"VCID-adtn-2cnz-wfb9","summary":"The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial of service (memory consumption) via a compressed packet that has a large size when it is decompressed.","aliases":[{"alias":"CVE-2013-4421"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/584096?format=json","purl":"pkg:deb/debian/dropbear@2012.55-1.4?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2012.55-1.4%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/1036405?format=json","purl":"pkg:deb/debian/dropbear@2014.65-1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-6ucx-wdc2-tuad"},{"vulnerability":"VCID-8apc-5c8s-k3ar"},{"vulnerability":"VCID-9pmf-w3x7-5ugr"},{"vulnerability":"VCID-9vje-sxgj-9udj"},{"vulnerability":"VCID-a8c1-84ye-73en"},{"vulnerability":"VCID-d3s7-uqk1-47bq"},{"vulnerability":"VCID-fkyw-zr2t-y7dm"},{"vulnerability":"VCID-gdx4-w6cw-2kek"},{"vulnerability":"VCID-hmcm-aqkc-zfdm"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-qftg-znh3-5kep"},{"vulnerability":"VCID-s1dw-5sgq-j3bm"},{"vulnerability":"VCID-xqe7-wtdn-hugk"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2014.65-1"},{"url":"http://public2.vulnerablecode.io/api/packages/582161?format=json","purl":"pkg:deb/debian/dropbear@2020.81-3%2Bdeb11u2?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-gg6f-jgbv-7ua9"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2020.81-3%252Bdeb11u2%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/582163?format=json","purl":"pkg:deb/debian/dropbear@2022.83-1%2Bdeb12u3?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-gg6f-jgbv-7ua9"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2022.83-1%252Bdeb12u3%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/582165?format=json","purl":"pkg:deb/debian/dropbear@2025.89-1~deb13u1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-gg6f-jgbv-7ua9"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2025.89-1~deb13u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/582166?format=json","purl":"pkg:deb/debian/dropbear@2025.89-1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-gg6f-jgbv-7ua9"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2025.89-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/1102917?format=json","purl":"pkg:deb/debian/dropbear@2026.90-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2026.90-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/1112509?format=json","purl":"pkg:deb/debian/dropbear@2026.91-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2026.91-1%3Fdistro=trixie"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/1036400?format=json","purl":"pkg:deb/debian/dropbear@0.45-2sarge0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-5kyz-5rns-2qfy"},{"vulnerability":"VCID-6ucx-wdc2-tuad"},{"vulnerability":"VCID-8apc-5c8s-k3ar"},{"vulnerability":"VCID-9pmf-w3x7-5ugr"},{"vulnerability":"VCID-9vje-sxgj-9udj"},{"vulnerability":"VCID-a8c1-84ye-73en"},{"vulnerability":"VCID-adtn-2cnz-wfb9"},{"vulnerability":"VCID-d17n-u3cw-cudj"},{"vulnerability":"VCID-d3s7-uqk1-47bq"},{"vulnerability":"VCID-fkyw-zr2t-y7dm"},{"vulnerability":"VCID-gdx4-w6cw-2kek"},{"vulnerability":"VCID-guvt-ddvk-dbdk"},{"vulnerability":"VCID-hmcm-aqkc-zfdm"},{"vulnerability":"VCID-jd36-dxz7-dfdy"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-qftg-znh3-5kep"},{"vulnerability":"VCID-rwzw-vrhk-sqfw"},{"vulnerability":"VCID-s1dw-5sgq-j3bm"},{"vulnerability":"VCID-uz94-gzud-euhk"},{"vulnerability":"VCID-w5xg-8n7z-zqcs"},{"vulnerability":"VCID-xqe7-wtdn-hugk"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@0.45-2sarge0"},{"url":"http://public2.vulnerablecode.io/api/packages/1036401?format=json","purl":"pkg:deb/debian/dropbear@0.48.1-2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-6ucx-wdc2-tuad"},{"vulnerability":"VCID-8apc-5c8s-k3ar"},{"vulnerability":"VCID-9pmf-w3x7-5ugr"},{"vulnerability":"VCID-9vje-sxgj-9udj"},{"vulnerability":"VCID-a8c1-84ye-73en"},{"vulnerability":"VCID-adtn-2cnz-wfb9"},{"vulnerability":"VCID-d17n-u3cw-cudj"},{"vulnerability":"VCID-d3s7-uqk1-47bq"},{"vulnerability":"VCID-fkyw-zr2t-y7dm"},{"vulnerability":"VCID-gdx4-w6cw-2kek"},{"vulnerability":"VCID-guvt-ddvk-dbdk"},{"vulnerability":"VCID-hmcm-aqkc-zfdm"},{"vulnerability":"VCID-jd36-dxz7-dfdy"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-qftg-znh3-5kep"},{"vulnerability":"VCID-s1dw-5sgq-j3bm"},{"vulnerability":"VCID-w5xg-8n7z-zqcs"},{"vulnerability":"VCID-xqe7-wtdn-hugk"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@0.48.1-2"},{"url":"http://public2.vulnerablecode.io/api/packages/1036402?format=json","purl":"pkg:deb/debian/dropbear@0.51-1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-6ucx-wdc2-tuad"},{"vulnerability":"VCID-8apc-5c8s-k3ar"},{"vulnerability":"VCID-9pmf-w3x7-5ugr"},{"vulnerability":"VCID-9vje-sxgj-9udj"},{"vulnerability":"VCID-a8c1-84ye-73en"},{"vulnerability":"VCID-adtn-2cnz-wfb9"},{"vulnerability":"VCID-d17n-u3cw-cudj"},{"vulnerability":"VCID-d3s7-uqk1-47bq"},{"vulnerability":"VCID-fkyw-zr2t-y7dm"},{"vulnerability":"VCID-gdx4-w6cw-2kek"},{"vulnerability":"VCID-hmcm-aqkc-zfdm"},{"vulnerability":"VCID-jd36-dxz7-dfdy"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-qftg-znh3-5kep"},{"vulnerability":"VCID-s1dw-5sgq-j3bm"},{"vulnerability":"VCID-w5xg-8n7z-zqcs"},{"vulnerability":"VCID-xqe7-wtdn-hugk"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@0.51-1"},{"url":"http://public2.vulnerablecode.io/api/packages/1036403?format=json","purl":"pkg:deb/debian/dropbear@0.52-5%2Bsqueeze1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-6ucx-wdc2-tuad"},{"vulnerability":"VCID-8apc-5c8s-k3ar"},{"vulnerability":"VCID-9pmf-w3x7-5ugr"},{"vulnerability":"VCID-9vje-sxgj-9udj"},{"vulnerability":"VCID-a8c1-84ye-73en"},{"vulnerability":"VCID-adtn-2cnz-wfb9"},{"vulnerability":"VCID-d17n-u3cw-cudj"},{"vulnerability":"VCID-d3s7-uqk1-47bq"},{"vulnerability":"VCID-fkyw-zr2t-y7dm"},{"vulnerability":"VCID-gdx4-w6cw-2kek"},{"vulnerability":"VCID-hmcm-aqkc-zfdm"},{"vulnerability":"VCID-jd36-dxz7-dfdy"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-qftg-znh3-5kep"},{"vulnerability":"VCID-s1dw-5sgq-j3bm"},{"vulnerability":"VCID-w5xg-8n7z-zqcs"},{"vulnerability":"VCID-xqe7-wtdn-hugk"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@0.52-5%252Bsqueeze1"},{"url":"http://public2.vulnerablecode.io/api/packages/1036404?format=json","purl":"pkg:deb/debian/dropbear@2012.55-1.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-6ucx-wdc2-tuad"},{"vulnerability":"VCID-8apc-5c8s-k3ar"},{"vulnerability":"VCID-9pmf-w3x7-5ugr"},{"vulnerability":"VCID-9vje-sxgj-9udj"},{"vulnerability":"VCID-a8c1-84ye-73en"},{"vulnerability":"VCID-adtn-2cnz-wfb9"},{"vulnerability":"VCID-d17n-u3cw-cudj"},{"vulnerability":"VCID-d3s7-uqk1-47bq"},{"vulnerability":"VCID-fkyw-zr2t-y7dm"},{"vulnerability":"VCID-gdx4-w6cw-2kek"},{"vulnerability":"VCID-hmcm-aqkc-zfdm"},{"vulnerability":"VCID-jzn6-bzzf-nugp"},{"vulnerability":"VCID-qftg-znh3-5kep"},{"vulnerability":"VCID-s1dw-5sgq-j3bm"},{"vulnerability":"VCID-w5xg-8n7z-zqcs"},{"vulnerability":"VCID-xqe7-wtdn-hugk"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/dropbear@2012.55-1.3"}],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2013-4421","reference_id":"","reference_type":"","scores":[{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96232","published_at":"2026-04-01T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96239","published_at":"2026-04-02T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96246","published_at":"2026-04-04T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96251","published_at":"2026-04-07T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.9626","published_at":"2026-04-08T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96263","published_at":"2026-04-09T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96267","published_at":"2026-04-12T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.9627","published_at":"2026-04-13T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96279","published_at":"2026-04-16T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96283","published_at":"2026-04-18T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96285","published_at":"2026-04-21T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96286","published_at":"2026-04-24T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96288","published_at":"2026-04-26T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96289","published_at":"2026-04-29T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96297","published_at":"2026-05-05T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96303","published_at":"2026-05-07T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96309","published_at":"2026-05-09T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96312","published_at":"2026-05-11T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96317","published_at":"2026-05-12T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96326","published_at":"2026-05-14T12:55:00Z"},{"value":"0.25913","scoring_system":"epss","scoring_elements":"0.96328","published_at":"2026-05-15T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2013-4421"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4421","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4421"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=726019","reference_id":"726019","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=726019"}],"weaknesses":[],"exploits":[],"severity_range_score":null,"exploitability":"0.5","weighted_severity":"0.2","risk_score":0.1,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-adtn-2cnz-wfb9"}