What’s Vulnerable › Vulnerabilities
CVE-2021-46023
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-02-14 · updated 2026-06-17
- Weakness: CWE-119
Description
An Untrusted Pointer Dereference was discovered in function mrb_vm_exec in mruby before 3.1.0-rc. The vulnerability causes a segmentation fault and application crash.
Affected products
- mruby/mruby: before 3.1.0 — fixed in 3.1.0
How to fix
Upgrade to a fixed version: mruby/mruby 3.1.0. Check the vendor advisory for mitigations.
References
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