{"id":"CVE-2019-5596","aliases":["EUVD-2019-15171","GHSA-89xf-9vcr-5475"],"status":"published","title":"In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0...","description":"In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01229,"percentile":0.69156,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2019-02-12T05:00:00Z","modified":"2026-06-17T02:37:54Z","exploits":[{"source":"exploitdb","id":"EDB-47081","title":"FreeBSD 12.0 - 'fd' Local Privilege Escalation","type":"local","platform":"freebsd","date":"2019-07-10","url":"https://www.exploit-db.com/exploits/47081"},{"source":"exploitdb","id":"EDB-47829","title":"FreeBSD-SA-19:02.fd - Privilege Escalation","type":"local","platform":"freebsd","date":"2019-12-30","verified":true,"url":"https://www.exploit-db.com/exploits/47829"},{"source":"pocgithub","id":"raymontag/CVE-2019-5596","title":"raymontag/CVE-2019-5596","date":"2023-03-29","url":"https://github.com/raymontag/CVE-2019-5596"}],"products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","Patch","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-5596"},{"url":"https://github.com/advisories/GHSA-89xf-9vcr-5475"}],"sources":{"cve":[{"id":"CVE-2019-5596","description":"In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.","status":"published","published":"2019-02-12T05:00:00Z","modified":"2024-08-04T20:01:51.303Z","updated_at":"2026-11-02T14:20:18.411291Z"}],"euvd":[{"id":"EUVD-2019-15171","description":"In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.","status":"published","published":"2019-02-12T05:00:00Z","modified":"2024-08-04T20:01:51Z","updated_at":"2026-11-03T03:06:51.888651Z"}],"ghsa":[{"id":"GHSA-89xf-9vcr-5475","title":"In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0...","description":"In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.","status":"published","published":"2022-05-13T01:22:31Z","modified":"2023-02-01T05:06:48Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:50:25.548742Z"}],"nvd":[{"id":"CVE-2019-5596","description":"In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.","status":"published","published":"2019-02-12T05:29:00.927Z","modified":"2026-06-17T02:37:54.713Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:05:04.689371Z"}]}}