{"api_version":"1","generated_at":"2026-07-23T13:21:33+00:00","cve":"CVE-2023-34458","urls":{"html":"https://cve.report/CVE-2023-34458","api":"https://cve.report/api/cve/CVE-2023-34458.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-34458","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-34458"},"summary":{"title":"CVE-2023-34458","description":"mx-chain-go is the official implementation of the MultiversX blockchain protocol, written in golang. When executing a relayed transaction, if the inner transaction failed, it would have increased the inner transaction's sender account nonce. This could have contributed to a limited DoS attack on a targeted account. The fix is a breaking change so a new flag `RelayedNonceFixEnableEpoch` was needed. This was a strict processing issue while validating blocks on a chain. 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