CVE-2022-1106

CRITICAL
Published Mar 27, 20224y ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Mar 27, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

Description

use after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 1

VendorProductVersionRange
mrubymruby* ≤3.1

References 2

  • github.com https://github.com/mruby/mruby/commit/7f5a490d09f4d56801ac3a3e4e39e03e1471b44c
    PatchThird Party Advisory
  • huntr.dev https://huntr.dev/bounties/16b9d0ea-71ed-41bc-8a88-2deb4c20be8f
    ExploitPatchThird Party Advisory

Remediation

  • github.com https://github.com/mruby/mruby/commit/7f5a490d09f4d56801ac3a3e4e39e03e1471b44c
    PatchThird Party Advisory
  • huntr.dev https://huntr.dev/bounties/16b9d0ea-71ed-41bc-8a88-2deb4c20be8f
    ExploitPatchThird Party Advisory