{"cve":"CVE-2019-5596","nvd":{"published":"2019-02-12T05:29:00.927","modified":"2026-06-17T02:37:54.713","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html","https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc","http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html","https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc"],"products":["freebsd:freebsd"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2019-5596","score":0.01229,"percentile":0.68921,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}