CVE-2019-5607: Freebsd

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

In FreeBSD 12.0-STABLE before r350222, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350223, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, rights transmitted over a domain socket did not properly release a reference on transmission error allowing a malicious user to cause the reference counter to wrap, forcing a free event. This could allow a malicious local user to gain root privileges or escape from a jail.

Affected products

• Freebsd Freebsd: version 11.0 only; version 11.2 only; version 11.3 only; version 12.0 only

Published 2019-07-26. Last modified 2026-06-17.