CVE-2020-7454: Freebsd

Critical severity, CVSS 9.8. EPSS: 2.7% chance of exploitation in the next 30 days.

In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p5, 11.4-STABLE before r360971, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, libalias does not properly validate packet length resulting in modules causing an out of bounds read/write condition if no checking was built into the module.

Affected products

• Freebsd Freebsd: version 11.3 only; version 11.4 only; version 12.1 only

Published 2020-05-13. Last modified 2026-06-17.