| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| openzeppelin | ≥ 3.2.0, ≤ 4.4.0 | |
| @openzeppelin/contracts | ≥ 3.2.0, < 4.4.1< 4.4.1 | 4.4.1 |
| @openzeppelin/contracts-upgradeable | ≥ 3.2.0, < 4.4.1 | 4.4.1 |
In OpenZeppelin <=v4.4.0, initializer functions that are invoked separate from contract creation (the most prominent example being minimal proxies) may be reentered if they make an untrusted non-view external call. Once an initializer has finished running it can never be re-executed. However, an exception put in place to support multiple inheritance made reentrancy possible, breaking the expectation that there is a single execution.
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