CVE-2019-19396: Omniosce Omnios

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

illumos, as used in OmniOS Community Edition before r151030y, allows a kernel crash via an application with multiple threads calling sendmsg concurrently over a single socket, because uts/common/inet/ip/ip_attr.c mishandles conn_ixa dereferences.

Affected products

• Omniosce Omnios: before r151030 (fixed in r151030)

Published 2019-11-29. Last modified 2026-06-17.