CVE-2025-12875— mruby array.c ary_fill_exec out-of-bounds write
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I. Basic Information for CVE-2025-12875
Vulnerability Information
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Vulnerability Title
mruby array.c ary_fill_exec out-of-bounds write
Source: NVD (National Vulnerability Database)
Vulnerability 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 a 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 used for attacks. This patch is called 93619f06dd378db6766666b30c08978311c7ec94. It is best practice to apply a patch to resolve this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
mruby 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mruby是makesoftwaresafe开源的一款Ruby语言的轻量级实现。 mruby 3.4.0版本存在缓冲区错误漏洞，该漏洞源于对文件mrbgems/mruby-array-ext/src/array.c中函数ary_fill_exec的参数start/length的错误操作，可能导致越界写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | mruby | 3.4.0 | cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2025-12875
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|---|
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Same Patch Batch · n/a · 2025-11-07 · 28 CVEs total
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V. Comments for CVE-2025-12875
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