CVE-2021-41121: Memory corruption when returning a literal struct with a private call inside of it

October 12, 2021 (updated November 18, 2024)

When performing a function call inside a literal struct, there is a memory corruption issue that occurs because of an incorrect pointer to the the top of the stack.

References

github.com/advisories/GHSA-xv8x-pr4h-73jv
github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2021-365.yaml
github.com/vyperlang/vyper
github.com/vyperlang/vyper/pull/2447
github.com/vyperlang/vyper/security/advisories/GHSA-xv8x-pr4h-73jv
nvd.nist.gov/vuln/detail/CVE-2021-41121

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