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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| configobj | pip | < 5.0.9 | 5.0.9 |
The commit diff shows the _func_re regex in Validator class was patched to prevent ReDoS. The test_re_dos() in test_validate_errors.py demonstrates exploitation via val.check(), confirming the check method processes attacker-controlled input using the vulnerable regex. The CVE description explicitly ties the vulnerability to the validate function's regex parsing, which is implemented in Validator's validation logic.