VULNERABILITY INTELLIGENCE
CVE-2020-6840
CVSS score9.8 CRITICAL
EPSS probability1.50%
CISA KEVNot currently listed
Published2020-01-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
In mruby 2.1.0, there is a use-after-free in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c.
Weakness classification
- CWE-416: Use After Free
Primary references
- cve@mitre.org — Exploit, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Third Party Advisory