Vulnerability · Published May 31, 2022 · Assigned by @huntrdev
CVE-2022-1934Use After Free in mruby/mruby
Medium 5.1
In plain English
A medium-severity use-after-free in mruby/mruby from mruby. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.0)5.1Medium
Exploit odds (30 days)0.4%top 65.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Use After Free in GitHub repository mruby/mruby prior to 3.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | mruby | no fix listed | UBUNTU-CVE-2022-1934 |
| Ubuntu:24.04:LTS | mruby | no fix listed | UBUNTU-CVE-2022-1934 |
| Ubuntu:25.10 | mruby | no fix listed | UBUNTU-CVE-2022-1934 |
| Ubuntu:26.04:LTS | mruby | no fix listed | UBUNTU-CVE-2022-1934 |
| Ubuntu:26.10 | mruby | no fix listed | UBUNTU-CVE-2022-1934 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mruby | mruby/mruby | unspecified – before 3.2 |
Weakness: CWE-416 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
References
- https://huntr.dev/bounties/99e6df06-b9f7-4c53-a722-6bb89fbfb51f x_refsource_CONFIRM
- https://github.com/mruby/mruby/commit/aa7f98dedb68d735a1665d3a289036c88b0c47ce x_refsource_MISC