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Vulnerability record · CVE-2019-19396 · published 29 November 2019

CVE-2019-19396: Omniosce omnios improper input validation vulnerability

Omniosce · Omnios

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.

7.5 CVSS 3.1 High EPSS 1.1% · top 34.8% CWE-20 · Improper input validation
7.5CVSS 3.1 base score, v2 7.8
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-19396), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.