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CVE-2025-12875 Detail

Description

A weakness has been identified in mruby 3.4.0. This vulnerability affects the function ary_fill_exec of the file mrbgems/mruby-array-ext/src/array.c. Executing manipulation of the argument start/length can lead to out-of-bounds write. The attack needs to be launched locally. The exploit has been made available to the public and could be exploited. This patch is called 93619f06dd378db6766666b30c08978311c7ec94. It is best practice to apply a patch to resolve this issue.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 4.8 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/makesoftwaresafe/mruby/commit/93619f06dd378db6766666b30c08978311c7ec94 VulDB
https://github.com/mruby/mruby/issues/6650 VulDB
https://github.com/mruby/mruby/issues/6650#event-20443453808 VulDB
https://github.com/mruby/mruby/issues/6650#issuecomment-3430851605 VulDB
https://vuldb.com/?ctiid.331511 VulDB
https://vuldb.com/?id.331511 VulDB
https://vuldb.com/?submit.680879 VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write VulDB  
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer VulDB  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-12875
NVD Published Date:
11/07/2025
NVD Last Modified:
11/07/2025
Source:
VulDB