A weakness has been identified in mruby 3.4.0. This...
Moderate severity
Unreviewed
Published
Nov 7, 2025
to the GitHub Advisory Database
•
Updated Nov 7, 2025
Description
Published by the National Vulnerability Database
Nov 7, 2025
Published to the GitHub Advisory Database
Nov 7, 2025
Last updated
Nov 7, 2025
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.
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