{"api_version":"1","generated_at":"2026-06-19T10:30:13+00:00","cve":"CVE-2021-41153","urls":{"html":"https://cve.report/CVE-2021-41153","api":"https://cve.report/api/cve/CVE-2021-41153.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-41153","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-41153"},"summary":{"title":"CVE-2021-41153","description":"The evm crate is a pure Rust implementation of Ethereum Virtual Machine. In `evm` crate `< 0.31.0`, `JUMPI` opcode's condition is checked after the destination validity check. However, according to Geth and OpenEthereum, the condition check should happen before the destination validity check. This is a **high** severity security advisory if you use `evm` crate for Ethereum mainnet. In this case, you should update your library dependency immediately to on or after `0.31.0`. This is a **low** severity security advisory if you use `evm` crate in Frontier or in a standalone blockchain, because there's no security exploit possible with this advisory. It is **not** recommended to update to on or after `0.31.0` until all the normal chain upgrade preparations have been done. If you use Frontier or other `pallet-evm` based Substrate blockchain, please ensure to update your `spec_version` before updating this. 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In `evm` crate `< 0.31.0`, `JUMPI` opcode's condition is checked after the destination validity check. However, according to Geth and OpenEthereum, the condition check should happen before the destination validity check. This is a **high** severity security advisory if you use `evm` crate for Ethereum mainnet. In this case, you should update your library dependency immediately to on or after `0.31.0`. This is a **low** severity security advisory if you use `evm` crate in Frontier or in a standalone blockchain, because there's no security exploit possible with this advisory. It is **not** recommended to update to on or after `0.31.0` until all the normal chain upgrade preparations have been done. If you use Frontier or other `pallet-evm` based Substrate blockchain, please ensure to update your `spec_version` before updating this. For other blockchains, please make sure to follow a hard-fork process before you update this.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"41153","Ordinal":"2","NoteData":"2021-10-18","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"41153","Ordinal":"3","NoteData":"2021-10-18","Type":"Other","Title":"Modified"}]}}}