CVE-2023-41052

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Vyper is a Pythonic Smart Contract Language. In affected versions the order of evaluation of the arguments of the builtin functions `uint256_addmod`, `uint256_mulmod`, `ecadd` and `ecmul` does not follow source order. This behaviour is problematic when the evaluation of one of the arguments produces side effects that other arguments depend on. A patch is currently being developed on pull request #3583. When using builtins from the list above, users should make sure that the arguments of the expression do not produce side effects or, if one does, that no other argument is dependent on those side effects.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-670

Affected software

Vendor	Product	Versions
vyperlang	vyper	<= 0.3.9

References

https://github.com/vyperlang/vyper/pull/3583Patch
https://github.com/vyperlang/vyper/security/advisories/GHSA-4hg4-9mf5-wxxqExploit, Patch, Third Party Advisory
https://github.com/vyperlang/vyper/pull/3583Patch
https://github.com/vyperlang/vyper/security/advisories/GHSA-4hg4-9mf5-wxxqExploit, Patch, Third Party Advisory

Timeline

Published: Sep 4, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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