High severityNVD Advisory· Published Jun 6, 2022· Updated Apr 22, 2025
Multiple evaluation of contract address in call in vyper
CVE-2022-29255
Description
Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions prior to 0.3.4 when a calling an external contract with no return value, the contract address (including side effects) could be evaluated twice. This may result in incorrect outcomes for contracts. This issue has been addressed in v0.3.4.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
vyperPyPI | < 0.3.4 | 0.3.4 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-4v9q-cgpw-cf38ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2022-29255ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2022-43053.yamlghsaWEB
- github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8dghsax_refsource_MISCWEB
- github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38ghsax_refsource_CONFIRMWEB
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