What’s Vulnerable › Vulnerabilities

CVE-2021-46020

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-14 · updated 2026-06-17
• Weakness: CWE-119

Description

An untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a segmentation fault or application crash.

Affected products

• mruby/mruby: 3.0.0

References

• https://github.com/mruby/mruby/issues/5613
• https://github.com/mruby/mruby/issues/5613

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