Memory corruption when returning a literal struct with a private call inside of it

GHSA-xv8x-pr4h-73jv · CVE-2021-41121 · PYSEC-2021-365

Published Oct 12, 2021 · Modified Mar 13, 2026

Description

Impact

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.

Patches

0.3.0 / #2447

References

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

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