Show plain JSON{"containers": {"cna": {"affected": [{"product": "frontier", "vendor": "paritytech", "versions": [{"status": "affected", "version": "< 8a93fdc"}]}], "descriptions": [{"lang": "en", "value": "Frontier is Substrate's Ethereum compatibility layer. Prior to commit number `8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664`, a bug in Frontier's MODEXP precompile implementation can cause an integer underflow in certain conditions. This will cause a node crash for debug builds. For release builds (and production WebAssembly binaries), the impact is limited as it can only cause a normal EVM out-of-gas. Users who do not use MODEXP precompile in their runtime are not impacted. 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