CVE-2021-41121

Memory corruption in Vyper

State: Published
Severity: 7.5 High
Published: Oct 6, 2021
Updated: Aug 4, 2024
Reserved: Sep 15, 2021

Description

Vyper is a Pythonic Smart Contract Language for the EVM. In affected versions 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. This issue has been resolved in version 0.3.0.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
vypervyperlang	< 0.3.0Affected

References

https://github.com/vyperlang/vyper/pull/2447
https://github.com/vyperlang/vyper/security/advisories/GHSA-xv8x-pr4h-73jv

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