What’s Vulnerable › Vulnerabilities

CVE-2022-0570: Heap-based Buffer Overflow in mruby/mruby

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-14 · updated 2026-06-17
• Weakness: CWE-122

Description

Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.

Affected products

• mruby/mruby: through 3.1

References

• https://github.com/mruby/mruby/commit/38b164ace7d6ae1c367883a3d67d7f559783faad
• https://huntr.dev/bounties/65a7632e-f95b-4836-b1a7-9cb95e5124f1
• https://github.com/mruby/mruby/commit/38b164ace7d6ae1c367883a3d67d7f559783faad
• https://huntr.dev/bounties/65a7632e-f95b-4836-b1a7-9cb95e5124f1

Get alerted when CVE-2022-0570 or the next vulnerability affects your stack