Vulnerability · Published Feb 13, 2022 · Assigned by @huntrdev
CVE-2022-0570Heap-based Buffer Overflow in mruby/mruby
High 8.4
In plain English
A high-severity heap buffer overflow 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 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS 3.0)8.4High
Exploit odds (30 days)1.2%top 31.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | mruby | no fix listed | UBUNTU-CVE-2022-0570 |
| Ubuntu:24.04:LTS | mruby | no fix listed | UBUNTU-CVE-2022-0570 |
| Ubuntu:25.10 | mruby | no fix listed | UBUNTU-CVE-2022-0570 |
| Ubuntu:26.04:LTS | mruby | no fix listed | UBUNTU-CVE-2022-0570 |
| Ubuntu:26.10 | mruby | no fix listed | UBUNTU-CVE-2022-0570 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mruby | mruby/mruby | unspecified – before 3.2 |
Weakness: CWE-122 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://huntr.dev/bounties/65a7632e-f95b-4836-b1a7-9cb95e5124f1 x_refsource_CONFIRM
- https://github.com/mruby/mruby/commit/38b164ace7d6ae1c367883a3d67d7f559783faad x_refsource_MISC