Vulnerability · Published Jul 1, 2021 · Assigned by mitre
CVE-2020-36401
High 7.8
In plain English
A high-severity security flaw in the mruby package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.0%top 37.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mruby | 2.1.2-3 | DEBIAN-CVE-2020-36401 |
| Debian:13 | mruby | 2.1.2-3 | DEBIAN-CVE-2020-36401 |
| Debian:14 | mruby | 2.1.2-3 | DEBIAN-CVE-2020-36401 |
| Ubuntu:22.04:LTS | mruby | no fix listed | UBUNTU-CVE-2020-36401 |