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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| RestrictedPython | pip | >= 6.0, < 8.0 | 8.0 |
The vulnerability stems from two key points: 1) The transformer allowed try/except* syntax (via visit_TryStar), and 2) ExceptionGroup was whitelisted in safe_builtins. The commit patching the vulnerability specifically modifies both - replacing visit_TryStar's permissive behavior with a denial, and removing ExceptionGroup from safe_builtins. These changes directly correlate with the described type confusion attack vector through try/except* handling in vulnerable Python versions (3.11+). The CWE-843 classification and commit message about 'sandbox escape' confirm these components were the entry points for exploitation.
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