CVE-2022-1427

HIGH
Published Apr 23, 20224y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Apr 23, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

Description

Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible arbitrary code execution if being exploited.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
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-125 Out-of-bounds Read Memory Safety

Affected Products 1

VendorProductVersionRange
mrubymruby* <3.2

References 2

  • github.com https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6b
    PatchThird Party Advisory
  • huntr.dev https://huntr.dev/bounties/23b6f0a9-64f5-421e-a55f-b5b7a671f301
    ExploitThird Party Advisory

Remediation

  • github.com https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6b
    PatchThird Party Advisory