CVE-2019-12259

Wind River VxWorks 6.9 and vx7 has an array index error in the IGMPv3 client component. There is...

7.5 High

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

15.9%Up 13.8 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.

Record: CVE-2019-12259
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-476
Updated: 2026-11-02

CVE List No score

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.

Record: CVE-2019-12259
Updated: 2026-11-02

EUVDEUVD-2019-3901 No score

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.

Record: EUVD-2019-3901
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hq82-5fcg-h8h8 7.5

Wind River VxWorks 6.9 and vx7 has an array index error in the IGMPv3 client component. There is...

Wind River VxWorks 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.

Record: GHSA-hq82-5fcg-h8h8
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-12259 is a high vulnerability (CVSS 7.5) in Windriver Vxworks, published August 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 15.9%, the 96th percentile. No source names a fixed version.

References

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