{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-24T14:15:20.643","vulnerabilities":[{"cve":{"id":"CVE-2021-3472","sourceIdentifier":"secalert@redhat.com","published":"2021-04-26T15:15:07.857","lastModified":"2026-06-17T04:05:09.870","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."},{"lang":"es","value":"Se encontró un fallo en xorg-x11-server en versiones anteriores a 1.20.11.&#xa0;Se puede producir un subdesbordamiento de enteros en xserver que puede conllevar a una escalada de privilegios local.&#xa0;La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos, así como la disponibilidad del sistema"}],"affected":[{"source":"secalert@redhat.com","affectedData":[{"vendor":"n/a","product":"xorg-x11-server","versions":[{"version":"xorg-x11-server 1.20.11","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-191"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*","versionEndExcluding":"1.20.11","matchCriteriaId":"F1002D17-1E44-4CEE-BBD5-CA24A140C87F"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","matchCriteriaId":"36D96259-24BD-44E2-96D9-78CE1D41F956"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","matchCriteriaId":"E460AA51-FCDA-46B9-AE97-E6676AA5E194"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","matchCriteriaId":"A930E247-0B43-43CB-98FF-6CE7B8189835"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","matchCriteriaId":"142AD0DD-4CF3-4D74-9442-459CE3347E3A"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"F4CFF558-3C47-480D-A2F0-BABF26042943"}]}]}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2021/04/13/1","source":"secalert@redhat.com","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1944167","source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html","source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/","source":"secalert@redhat.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/","source":"secalert@redhat.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/","source":"secalert@redhat.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/","source":"secalert@redhat.com"},{"url":"https://lists.x.org/archives/xorg-announce/2021-April/003080.html","source":"secalert@redhat.com","tags":["Mailing List","Patch","Vendor Advisory"]},{"url":"https://lists.x.org/archives/xorg-announce/2021-April/003080.html","source":"secalert@redhat.com","tags":["Mailing List","Patch","Vendor Advisory"]},{"url":"https://lists.x.org/archives/xorg-announce/2021-April/003080.html","source":"secalert@redhat.com","tags":["Mailing List","Patch","Vendor Advisory"]},{"url":"https://lists.x.org/archives/xorg-announce/2021-April/003080.html","source":"secalert@redhat.com","tags":["Mailing List","Patch","Vendor Advisory"]},{"url":"https://seclists.org/oss-sec/2021/q2/20","source":"secalert@redhat.com","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202104-02","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4893","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://www.tenable.com/plugins/nessus/148701","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-463/","source":"secalert@redhat.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://www.openwall.com/lists/oss-security/2021/04/13/1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1944167","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.x.org/archives/xorg-announce/2021-April/003080.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"]},{"url":"https://lists.x.org/archives/xorg-announce/2021-April/003080.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"]},{"url":"https://lists.x.org/archives/xorg-announce/2021-April/003080.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"]},{"url":"https://lists.x.org/archives/xorg-announce/2021-April/003080.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"]},{"url":"https://seclists.org/oss-sec/2021/q2/20","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202104-02","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4893","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.tenable.com/plugins/nessus/148701","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-463/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]}]}}]}