CVE-2022-1201

NULL Pointer Dereference in mrb_vm_exec with super in mruby/mruby

MEDIUM
6.5
CVSS Score
Published: April 2, 2022 at 07:45 AM UTC
Updated: June 17, 2026 at 04:22 AM UTC
1 product affected across 1 vendorMruby

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%

Description

NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v < 3.2
Affected range stops below 3.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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