Vulnerability Database

322,388

Total vulnerabilities in the database

CVE-2020-27174

In Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than intended on the host.

  • Published: Oct 16, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-27174
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
amazon / firecracker 0.22.0 0.22.1
amazon / firecracker - 0.21.3