Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.5%
CVSS Severity
CVSS v3 Score 3.3
CVSS v2 Score 1.7
References
- https://github.com/mruby/mruby/commit/1fdd96104180cc0fb5d3cb086b05ab6458911bb9
- https://github.com/mruby/mruby/issues/6509
- https://github.com/mruby/mruby/issues/6509#event-17145516649
- https://github.com/user-attachments/files/19619499/mruby_crash.txt
- https://vuldb.com/?ctiid.315156
- https://vuldb.com/?id.315156
- https://vuldb.com/?submit.607683
- https://github.com/mruby/mruby/issues/6509
Products affected by CVE-2025-7207
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cpe:2.3:a:mruby:mruby:-
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cpe:2.3:a:mruby:mruby:1.0.0
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cpe:2.3:a:mruby:mruby:1.1.0
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cpe:2.3:a:mruby:mruby:1.2.0
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cpe:2.3:a:mruby:mruby:1.3.0
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cpe:2.3:a:mruby:mruby:1.4.0
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cpe:2.3:a:mruby:mruby:1.4.1
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cpe:2.3:a:mruby:mruby:2.0.0
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cpe:2.3:a:mruby:mruby:2.0.1
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cpe:2.3:a:mruby:mruby:2.1.0
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cpe:2.3:a:mruby:mruby:2.1.1
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cpe:2.3:a:mruby:mruby:2.1.2
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cpe:2.3:a:mruby:mruby:3.0.0
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cpe:2.3:a:mruby:mruby:3.1
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cpe:2.3:a:mruby:mruby:3.1.0
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cpe:2.3:a:mruby:mruby:3.2
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cpe:2.3:a:mruby:mruby:3.3.0
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cpe:2.3:a:mruby:mruby:3.4.0