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v3.4.0
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@frangio frangio released this 03 Feb 20:01
· 1377 commits to master since this release
v3.4.0
fa64a1c

Read the full announcement in the blog or check out the changelog.

Security Fixes

  • ERC777: fix potential reentrancy issues for custom extensions to ERC777. (#2483)

If you're using our implementation of ERC777 from version 3.3.0 or earlier, and you define a custom _beforeTokenTransfer function that writes to a storage variable, you may be vulnerable to a reentrancy attack. If you're affected and would like assistance please write to security@openzeppelin.com. Read more in the pull request.

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