CVE-2020-6840 Information

Description

In mruby 2.1.0 there is a use-after-free in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/mruby/mruby/issues/4927

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8