{"action":"Upgrade vyper to 0.3.8 or later.","affected":[{"fixed":"0.3.8","introduced":"0"}],"component":"vyper","cve_ids":["CVE-2023-46247"],"ecosystem":"PyPI","epss":0.00692,"exploited":false,"fixed_versions":["0.3.8"],"ghsa_id":"GHSA-6m97-7527-mh74","id":"tcs_01M5KGKDR0HH90D5H7PK2MYY1V","modified_at":"2024-11-21T14:57:14.392433Z","published_at":"2023-12-13T20:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2023-307","https://github.com/vyperlang/vyper/security/advisories/GHSA-6m97-7527-mh74","https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb","https://github.com/vyperlang/vyper/blob/6020b8bbf66b062d299d87bc7e4eddc4c9d1c157/vyper/semantics/validation/data_positions.py#L197"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2023-307","url":"https://osv.dev/vulnerability/PYSEC-2023-307"}],"summary":"Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). Contracts containing large arrays might underallocate the number of slots they need by 1. Prior to v0.3.8, the calcu"}