CVE-2016-1887: Freebsd

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Integer signedness error in the sockargs function in sys/kern/uipc_syscalls.c in FreeBSD 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to cause a denial of service (memory overwrite and kernel panic) or gain privileges via a negative buflen argument, which triggers a heap-based buffer overflow.

Affected products

• Freebsd Freebsd: version 10.1 only; version 10.2 only; version 10.3 only

Published 2016-05-25. Last modified 2026-06-17.