VYPR
High severity7.5NVD Advisory· Published Dec 30, 2021· Updated Jun 17, 2026

CVE-2021-4188

CVE-2021-4188

Description

mruby is vulnerable to NULL Pointer Dereference

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Mruby/Mrubycpe-rescue3 versions
    unspecified+ 2 more
    • (no CPE)range: unspecified
    • (no CPE)
    • cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*range: <=3.0.0

Patches

Vulnerability mechanics

References

2

News mentions

0

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