CVE-2020-6840 — Use After Free in Mruby

CWE-416 — Use After Free4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.4%
top 38.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
MrubyDebian Mruby
Timeline
PublishedJan 11
Latest updateMay 24

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:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDmruby/mruby2.1.0
▶debiandebian/mruby

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-4v2f-5xhv-8ff4: In mruby 2↗2022-05-24
▶
OSV
CVE-2020-6840: In mruby 2↗2020-01-11
▶

📋Vendor Advisories

1
Debian
CVE-2020-6840: mruby - In mruby 2.1.0, there is a use-after-free in hash_slice in mrbgems/mruby-hash-ex...↗2020
▶