{"id":"CVE-2019-5595","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-5595","generatedAt":"2026-10-27T22:23:35.465Z","title":"In FreeBSD before 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially allowing some kernel data used in the system call to…","description":"In FreeBSD before 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially allowing some kernel data used in the system call to be exposed.","published":"2019-02-12T05:29:01.000Z","lastModified":"2026-06-17T02:37:55.000Z","status":"Modified","sourceIdentifier":"secteam@freebsd.org","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-459"],"affected":["freebsd/freebsd"],"epss":{"score":0.00348,"percentile":0.28125,"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":"low","text":"Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:01.syscall.asc","tags":["Patch","Vendor Advisory"],"source":"secteam@freebsd.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/156624","tags":["Third Party Advisory"],"source":"nvd@nist.gov"},{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:01.syscall.asc","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-5595","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."}