Vulnerability Monitor

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CVE-2025-7207

A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the function scope_new of the file mrbgems/mruby-compiler/core/codegen.c of the component nregs Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is 1fdd96104180cc0fb5d3cb086b05ab6458911bb9. It is recommended to apply a patch to fix this issue.

Published

2025-07-09T01:15:50.380

Last Modified

2025-10-01T20:32:54.307

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 3.3 (LOW)

CVSSv2 Vector

AV:L/AC:L/Au:S/C:N/I:N/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

3.1

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-119
    CWE-122
  • Type: Primary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mruby mruby < 3.4.0 Yes
Application mruby mruby 3.4.0 Yes
Application mruby mruby 3.4.0 Yes
References