{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/95460?format=json","vulnerability_id":"VCID-mkcs-362g-t7aq","summary":"Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.","aliases":[{"alias":"CVE-2023-26437"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/934685?format=json","purl":"pkg:deb/debian/pdns-recursor@4.8.4-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/pdns-recursor@4.8.4-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/934659?format=json","purl":"pkg:deb/debian/pdns-recursor@4.8.8-1%2Bdeb12u1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-26wf-1bqp-sbff"},{"vulnerability":"VCID-2ugc-uygs-hqb8"},{"vulnerability":"VCID-5afe-ws96-nqh9"},{"vulnerability":"VCID-anab-r9ty-1yh1"},{"vulnerability":"VCID-cdzz-8tc8-jucu"},{"vulnerability":"VCID-chzq-qej6-rkdq"},{"vulnerability":"VCID-k3re-ss39-zugm"},{"vulnerability":"VCID-m445-c6a1-uugf"},{"vulnerability":"VCID-mzne-k7ry-pubm"},{"vulnerability":"VCID-pfhu-1qdf-p7d5"},{"vulnerability":"VCID-pjbp-1jgm-s3cg"},{"vulnerability":"VCID-umcq-ztbz-qfb2"},{"vulnerability":"VCID-v9yz-hcqv-83gu"},{"vulnerability":"VCID-wywf-pmyt-zud4"},{"vulnerability":"VCID-xasd-r2rc-2ufq"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/pdns-recursor@4.8.8-1%252Bdeb12u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/994395?format=json","purl":"pkg:deb/debian/pdns-recursor@4.8.8-1%2Bdeb12u1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-26wf-1bqp-sbff"},{"vulnerability":"VCID-2ugc-uygs-hqb8"},{"vulnerability":"VCID-5afe-ws96-nqh9"},{"vulnerability":"VCID-anab-r9ty-1yh1"},{"vulnerability":"VCID-cdzz-8tc8-jucu"},{"vulnerability":"VCID-chzq-qej6-rkdq"},{"vulnerability":"VCID-k3re-ss39-zugm"},{"vulnerability":"VCID-m445-c6a1-uugf"},{"vulnerability":"VCID-mzne-k7ry-pubm"},{"vulnerability":"VCID-pfhu-1qdf-p7d5"},{"vulnerability":"VCID-pjbp-1jgm-s3cg"},{"vulnerability":"VCID-umcq-ztbz-qfb2"},{"vulnerability":"VCID-v9yz-hcqv-83gu"},{"vulnerability":"VCID-wywf-pmyt-zud4"},{"vulnerability":"VCID-xasd-r2rc-2ufq"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/pdns-recursor@4.8.8-1%252Bdeb12u1"},{"url":"http://public2.vulnerablecode.io/api/packages/934663?format=json","purl":"pkg:deb/debian/pdns-recursor@5.2.8-0%2Bdeb13u1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-26wf-1bqp-sbff"},{"vulnerability":"VCID-5afe-ws96-nqh9"},{"vulnerability":"VCID-anab-r9ty-1yh1"},{"vulnerability":"VCID-chzq-qej6-rkdq"},{"vulnerability":"VCID-k3re-ss39-zugm"},{"vulnerability":"VCID-mzne-k7ry-pubm"},{"vulnerability":"VCID-pfhu-1qdf-p7d5"},{"vulnerability":"VCID-v9yz-hcqv-83gu"},{"vulnerability":"VCID-xasd-r2rc-2ufq"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/pdns-recursor@5.2.8-0%252Bdeb13u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/934662?format=json","purl":"pkg:deb/debian/pdns-recursor@5.4.0-1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-26wf-1bqp-sbff"},{"vulnerability":"VCID-5afe-ws96-nqh9"},{"vulnerability":"VCID-anab-r9ty-1yh1"},{"vulnerability":"VCID-k3re-ss39-zugm"},{"vulnerability":"VCID-mzne-k7ry-pubm"},{"vulnerability":"VCID-v9yz-hcqv-83gu"},{"vulnerability":"VCID-xasd-r2rc-2ufq"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/pdns-recursor@5.4.0-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/1076115?format=json","purl":"pkg:deb/debian/pdns-recursor@5.4.1-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/pdns-recursor@5.4.1-1%3Fdistro=trixie"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/934661?format=json","purl":"pkg:deb/debian/pdns-recursor@4.4.2-3?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-26wf-1bqp-sbff"},{"vulnerability":"VCID-2ugc-uygs-hqb8"},{"vulnerability":"VCID-5afe-ws96-nqh9"},{"vulnerability":"VCID-66sa-bc5p-jqde"},{"vulnerability":"VCID-7dc3-qdk8-k7b2"},{"vulnerability":"VCID-8tar-s444-zfac"},{"vulnerability":"VCID-anab-r9ty-1yh1"},{"vulnerability":"VCID-cdzz-8tc8-jucu"},{"vulnerability":"VCID-chzq-qej6-rkdq"},{"vulnerability":"VCID-k3re-ss39-zugm"},{"vulnerability":"VCID-m445-c6a1-uugf"},{"vulnerability":"VCID-mkcs-362g-t7aq"},{"vulnerability":"VCID-mzne-k7ry-pubm"},{"vulnerability":"VCID-pfhu-1qdf-p7d5"},{"vulnerability":"VCID-pjbp-1jgm-s3cg"},{"vulnerability":"VCID-umcq-ztbz-qfb2"},{"vulnerability":"VCID-v9yz-hcqv-83gu"},{"vulnerability":"VCID-vprj-j7u6-zbe7"},{"vulnerability":"VCID-wmgd-z2j3-h7d9"},{"vulnerability":"VCID-wywf-pmyt-zud4"},{"vulnerability":"VCID-xasd-r2rc-2ufq"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/pdns-recursor@4.4.2-3%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/994394?format=json","purl":"pkg:deb/debian/pdns-recursor@4.4.2-3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-26wf-1bqp-sbff"},{"vulnerability":"VCID-2ugc-uygs-hqb8"},{"vulnerability":"VCID-5afe-ws96-nqh9"},{"vulnerability":"VCID-66sa-bc5p-jqde"},{"vulnerability":"VCID-7dc3-qdk8-k7b2"},{"vulnerability":"VCID-8tar-s444-zfac"},{"vulnerability":"VCID-anab-r9ty-1yh1"},{"vulnerability":"VCID-cdzz-8tc8-jucu"},{"vulnerability":"VCID-chzq-qej6-rkdq"},{"vulnerability":"VCID-k3re-ss39-zugm"},{"vulnerability":"VCID-m445-c6a1-uugf"},{"vulnerability":"VCID-mkcs-362g-t7aq"},{"vulnerability":"VCID-mzne-k7ry-pubm"},{"vulnerability":"VCID-pfhu-1qdf-p7d5"},{"vulnerability":"VCID-pjbp-1jgm-s3cg"},{"vulnerability":"VCID-umcq-ztbz-qfb2"},{"vulnerability":"VCID-v9yz-hcqv-83gu"},{"vulnerability":"VCID-vprj-j7u6-zbe7"},{"vulnerability":"VCID-wmgd-z2j3-h7d9"},{"vulnerability":"VCID-wywf-pmyt-zud4"},{"vulnerability":"VCID-xasd-r2rc-2ufq"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/pdns-recursor@4.4.2-3"}],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-26437","reference_id":"","reference_type":"","scores":[{"value":"0.0001","scoring_system":"epss","scoring_elements":"0.0116","published_at":"2026-04-29T12:55:00Z"},{"value":"0.0001","scoring_system":"epss","scoring_elements":"0.01155","published_at":"2026-04-24T12:55:00Z"},{"value":"0.0001","scoring_system":"epss","scoring_elements":"0.01163","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00011","scoring_system":"epss","scoring_elements":"0.01348","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00011","scoring_system":"epss","scoring_elements":"0.01341","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00011","scoring_system":"epss","scoring_elements":"0.0134","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00011","scoring_system":"epss","scoring_elements":"0.01351","published_at":"2026-05-14T12:55:00Z"},{"value":"0.00011","scoring_system":"epss","scoring_elements":"0.01357","published_at":"2026-05-05T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.0087","published_at":"2026-04-21T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.00824","published_at":"2026-04-18T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.00833","published_at":"2026-04-04T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.00835","published_at":"2026-04-07T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.00839","published_at":"2026-04-08T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.00836","published_at":"2026-04-09T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.00834","published_at":"2026-04-02T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.00819","published_at":"2026-04-12T12:55:00Z"},{"value":"9e-05","scoring_system":"epss","scoring_elements":"0.0082","published_at":"2026-04-16T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-26437"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26437","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26437"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033941","reference_id":"1033941","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033941"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN7VMRYKZHG2UDUAK326LXD3JY7NO3LR/","reference_id":"CN7VMRYKZHG2UDUAK326LXD3JY7NO3LR","reference_type":"","scores":[{"value":"3.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-13T16:31:03Z/"}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN7VMRYKZHG2UDUAK326LXD3JY7NO3LR/"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHPD6SIQOG7245GXFQHPUEI4AZ6Y3KD6/","reference_id":"IHPD6SIQOG7245GXFQHPUEI4AZ6Y3KD6","reference_type":"","scores":[{"value":"3.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-13T16:31:03Z/"}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHPD6SIQOG7245GXFQHPUEI4AZ6Y3KD6/"},{"reference_url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2023-02.html","reference_id":"powerdns-advisory-2023-02.html","reference_type":"","scores":[{"value":"3.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-13T16:31:03Z/"}],"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2023-02.html"}],"weaknesses":[],"exploits":[],"severity_range_score":"3.4 - 3.4","exploitability":"0.5","weighted_severity":"3.1","risk_score":1.6,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-mkcs-362g-t7aq"}