CVE-2020-7457: Freebsd

High severity, CVSS 8.1. EPSS: 33.1% chance of exploitation in the next 30 days.

In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.

Affected products

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

Published 2020-07-09. Last modified 2026-06-17.