High severity7.8NVD Advisory· Published May 25, 2016· Updated May 6, 2026

CVE-2016-1887

Description

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/FreeBSD3 versions
cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.3:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

cturt.github.io/sendmsg.htmlnvdExploit
security.freebsd.org/advisories/FreeBSD-SA-16:19.sendmsg.ascnvdVendor Advisory
www.securitytracker.com/id/1035906nvd

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.000
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000