{"api_version":"1","generated_at":"2026-04-23T15:12:30+00:00","cve":"CVE-2023-30629","urls":{"html":"https://cve.report/CVE-2023-30629","api":"https://cve.report/api/cve/CVE-2023-30629.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-30629","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-30629"},"summary":{"title":"CVE-2023-30629","description":"Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the `raw_call` with `revert_on_failure=False` and `max_outsize=0` receives the wrong response from `raw_call`. Depending on the memory garbage, the result can be either `True` or `False`. A patch is available and, as of time of publication, anticipated to be part of Vyper 0.3.8. 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