Skip to main content
HIGH

CVE-2020-36404

CVSS v3

7.8

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Keystone Engine 0.9.2 has an invalid free in llvm_ks::SmallVectorImpl<llvm_ks::MCFixup>::~SmallVectorImpl.

Technical details

Published
2021-07-01

Frequently asked questions

What is CVE-2020-36404?

Keystone Engine 0.9.2 has an invalid free in llvm_ks::SmallVectorImpl<llvm_ks::MCFixup>::~SmallVectorImpl.

Is CVE-2020-36404 actively exploited?

Active exploitation of CVE-2020-36404 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36404?

CVE-2020-36404 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2020-36404 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key