{"id":"CVE-2017-15593","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-15593","generatedAt":"2026-10-28T21:17:35.246Z","title":"An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.","description":"An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.","published":"2017-10-18T08:29:01.000Z","lastModified":"2026-06-17T01:07:56.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"},"cwe":["CWE-772"],"affected":["xen/xen"],"epss":{"score":0.00391,"percentile":0.33091,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securitytracker.com/id/1039568","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html","source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201801-14","source":"cve@mitre.org"},{"url":"https://support.citrix.com/article/CTX228867","source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2017/dsa-4050","source":"cve@mitre.org"},{"url":"https://xenbits.xen.org/xsa/advisory-242.html","tags":["Mitigation","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1039568","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201801-14","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.citrix.com/article/CTX228867","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2017/dsa-4050","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://xenbits.xen.org/xsa/advisory-242.html","tags":["Mitigation","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15593","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}