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CRITICAL

CVE-2016-20009

CVSS v3

9.8

CRITICAL

EPSS Score

1.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River VxWorks 6.5 through 7. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Technical details

Published
2021-03-11

Frequently asked questions

What is CVE-2016-20009?

A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River VxWorks 6.5 through 7. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Is CVE-2016-20009 actively exploited?

Active exploitation of CVE-2016-20009 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-20009?

CVE-2016-20009 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2016-20009 affecting your environment?

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