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CVE-2020-36401

Published: 1 July 2021

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

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
mruby
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
trusty Does not exist

upstream
Released (3.0.0)
xenial Needs triage

hirsute Ignored
(end of life)
kinetic Ignored
(end of life, was needed)
lunar Not vulnerable
(3.0.0-4)
impish Ignored
(end of life)
jammy Needed

mantic Not vulnerable
(3.0.0-4)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H