CVE-2025-7207 mruby nregs codegen.c scope_new heap-based overflow

A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the function scopenew 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 locall...