What’s Vulnerable › Vulnerabilities

CVE-2022-0481: NULL Pointer Dereference in mruby/mruby

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-04 · updated 2026-06-17
• Weakness: CWE-476

Description

NULL Pointer Dereference in Homebrew mruby prior to 3.2.

Affected products

• mruby/mruby: before 3.2 — fixed in 3.2

How to fix

Upgrade to a fixed version: mruby/mruby 3.2. Check the vendor advisory for mitigations.

References

• https://github.com/mruby/mruby/commit/ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e
• https://huntr.dev/bounties/54725c8c-87f4-41b6-878c-01d8e0ee7027
• https://github.com/mruby/mruby/commit/ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e
• https://huntr.dev/bounties/54725c8c-87f4-41b6-878c-01d8e0ee7027

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