[Snyk] Upgrade openzeppelin-solidity from 2.1.0 to 3.4.1 #3
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Snyk has created this PR to upgrade openzeppelin-solidity from 2.1.0 to 3.4.1.
ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.
Warning: This is a major version upgrade, and may be a breaking change.
Release notes
Package name: openzeppelin-solidity
Read the full announcement in the blog or check out the changelog.
Security Fixes
ERC777
: fix potential reentrancy issues for custom extensions toERC777
. (#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 [email protected]. Read more in the pull request.3.4.0-rc.0
Commit messages
Package name: openzeppelin-solidity
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