CVE-2019-5604: Freebsd

Critical severity, CVSS 9.6. EPSS: 3.1% chance of exploitation in the next 30 days.

In FreeBSD 12.0-STABLE before r350246, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350247, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, the emulated XHCI device included with the bhyve hypervisor did not properly validate data provided by the guest, allowing an out-of-bounds read. This provides a malicious guest the possibility to crash the system or access system memory.

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.