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VVE-2021-0001: Memory corruption using function calls within arrays
Moderate severity
GitHub Reviewed
Published
Apr 16, 2021
in
vyperlang/vyper
•
Updated Jan 9, 2023
When performing a function call inside an array, there is a memory corruption issue that occurs because of an incorrect pointer to the the tip of the stack.
Patches
This issue was partially fixed in VVE-2020-0004, however the fix did not update similar code for arrays, which had a similar issue. The issue is fully fixed in vyperlang/vyper#2345
Impact
When performing a function call inside an array, there is a memory corruption issue that occurs because of an incorrect pointer to the the tip of the stack.
Patches
This issue was partially fixed in VVE-2020-0004, however the fix did not update similar code for arrays, which had a similar issue. The issue is fully fixed in vyperlang/vyper#2345
References