Vulnerability Database

309,136

Total vulnerabilities in the database

CVE-2020-36401

mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).

  • Published: Jul 1, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-36401
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
mruby / mruby 2.1.2 2.1.2.x