CVE-2021-43268

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-24 · updated 2026-06-17
Weakness: CWE-415

Description

An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.

Affected products

Windriver Vxworks: from 6.9 through 7.0

References

https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-43268
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-43268

Get alerted when CVE-2021-43268 or the next vulnerability affects your stack