{"id":"CVE-2019-18960","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-18960","generatedAt":"2026-10-28T00:32:05.156Z","title":"Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0.","description":"Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.","published":"2019-12-11T13:15:12.000Z","lastModified":"2026-06-17T02:25:39.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["amazon/firecracker"],"epss":{"score":0.03252,"percentile":0.88252,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2019/12/10/1","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/09/11/2","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/firecracker-microvm/firecracker/issues/1462","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/firecracker-microvm/firecracker/releases","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2019/12/10/1","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2022/09/11/2","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/firecracker-microvm/firecracker/issues/1462","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/firecracker-microvm/firecracker/releases","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-18960","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."}