CVE-2020-24863: Freebsd

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A memory corruption vulnerability was found in the kernel function kern_getfsstat in MidnightBSD before 1.2.7 and 1.3 through 2020-08-19, and FreeBSD through 11.4, that allows an attacker to trigger an invalid free and crash the system via a crafted size value in conjunction with an invalid mode.

Affected products

• Freebsd Freebsd: up to and including 11.4
• Midnightbsd Midnightbsd: before 1.2.7 (fixed in 1.2.7); from 1.3, up to and including 2020-08-19

Published 2020-09-03. Last modified 2026-06-17.