What is CVE-2019-19396?

CVE-2019-19396 is a high-severity vulnerability in Omniosce Omnios, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-11-29.

How severe is CVE-2019-19396?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Omniosce Omnios

CVE-2019-19396

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-11-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (66.0th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Omniosce Omnios

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

omniosce.org/article/030y-028ay-022dw.html (Vendor Advisory)
www.illumos.org/issues/11556 (Third Party Advisory)

Frequently asked questions

What is CVE-2019-19396?: CVE-2019-19396 is a high-severity vulnerability in Omniosce Omnios, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-11-29.
How severe is CVE-2019-19396?: High severity. CVSS v3 base score is 7.5 out of 10.