Double Free in Windriver Vxworks

CVE-2021-43268

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.

Vulnerability class: Double Free

EPSS: 0.008 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-43268?
CVE-2021-43268 is a medium-severity vulnerability in Windriver Vxworks, classified under Double Free. CVSS score: 6.5/10. Published 2021-11-24.
How severe is CVE-2021-43268?
Medium severity. CVSS v3 base score is 6.5 out of 10.