{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-01T18:11:13.151","vulnerabilities":[{"cve":{"id":"CVE-2020-15863","sourceIdentifier":"cve@mitre.org","published":"2020-07-28T16:15:12.777","lastModified":"2024-11-21T05:06:20.100","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555."},{"lang":"es","value":"El archivo hw/net/xgmac.c en el controlador Ethernet XGMAC en QEMU antes del 20/07/2020, presenta un desbordamiento de búfer. Esto ocurre durante la transmisión de paquetes y afecta a las máquinas emuladas highbank y midway. Un usuario o proceso invitado podría usar este fallo para bloquear el proceso QEMU en el host, resultando en una denegación de servicio o una posible ejecución de código privilegiado. Esto se corrigió en commit 5519724a13664b43e225ca05351c60b4468e4555"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":1.1,"impactScore":3.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:P/I:P/A:P","baseScore":4.4,"accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":3.4,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","versionEndIncluding":"5.0.0","matchCriteriaId":"44E5B5EB-DF88-46F0-A767-BD3E1B452DBE"},{"vulnerable":true,"criteria":"cpe:2.3:a:qemu:qemu:5.1.0:rc0:*:*:*:*:*:*","matchCriteriaId":"23B62009-5A2D-4362-B698-D07FA6484307"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"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:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","matchCriteriaId":"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","matchCriteriaId":"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*","matchCriteriaId":"902B8056-9E37-443B-8905-8AA93E2447FB"}]}]}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html","source":"cve@mitre.org","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2020/07/22/1","source":"cve@mitre.org","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555","source":"cve@mitre.org"},{"url":"https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html","source":"cve@mitre.org","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html","source":"cve@mitre.org","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202208-27","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://usn.ubuntu.com/4467-1/","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2020/dsa-4760","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2020/07/22/1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202208-27","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://usn.ubuntu.com/4467-1/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2020/dsa-4760","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}