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A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability."},{"lang":"es","value":"Se presenta una vulnerabilidad de denegación de servicio explotable en el analizador de certificados X509 de Python.org Python versión 2.7.11 / 3.6.6. Un certificado X509 especialmente diseñado puede causar una desreferencia del puntero NULL, resultando en una denegación de servicio. Un atacante puede iniciar o aceptar conexiones TLS usando certificados diseñados para activar esta vulnerabilidad."}],"id":"CVE-2019-5010","lastModified":"2026-10-07T19:17:14.050","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"},"exploitabilityScore":2.2,"impactScore":3.6,"source":"talos-cna@cisco.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2019-5010","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-10-07T18:55:12.122902Z","version":"2.0.3"}}]},"published":"2019-10-31T21:15:13.293","references":[{"source":"talos-cna@cisco.com","tags":["Mailing List","Third Party Advisory"],"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"},{"source":"talos-cna@cisco.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2019:3520"},{"source":"talos-cna@cisco.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2019:3725"},{"source":"talos-cna@cisco.com","url":"https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E"},{"source":"talos-cna@cisco.com","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html"},{"source":"talos-cna@cisco.com","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html"},{"source":"talos-cna@cisco.com","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202003-26"},{"source":"talos-cna@cisco.com","tags":["Exploit","Third Party Advisory"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2019:3520"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2019:3725"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202003-26"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758"}],"sourceIdentifier":"talos-cna@cisco.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-476"}],"source":"talos-cna@cisco.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-476"}],"source":"nvd@nist.gov","type":"Primary"}]}